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6513484025 = 52534915837
BaseRepresentation
bin1100001000011101…
…11110000011111001
3121210221021021100002
412010032332003321
5101314422442100
62554154322345
7320260462226
oct60416760371
917727237302
106513484025
112842767a54
1213194293b5
137ca592479
1445b0b494d
15281c662d5
hex1843be0f9

6513484025 has 12 divisors (see below), whose sum is σ = 8229112812. Its totient is φ = 5112469440.

The previous prime is 6513484009. The next prime is 6513484063. The reversal of 6513484025 is 5204843156.

6513484025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 716793529 + 5796690496 = 26773^2 + 76136^2 .

It is not a de Polignac number, because 6513484025 - 24 = 6513484009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6513484025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2456594 + ... + 2459243.

It is an arithmetic number, because the mean of its divisors is an integer number (685759401).

Almost surely, 26513484025 is an apocalyptic number.

It is an amenable number.

6513484025 is a deficient number, since it is larger than the sum of its proper divisors (1715628787).

6513484025 is a wasteful number, since it uses less digits than its factorization.

6513484025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915900 (or 4915895 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 6513484025 is about 80706.1585320476. The cubic root of 6513484025 is about 1867.5451812725.

The spelling of 6513484025 in words is "six billion, five hundred thirteen million, four hundred eighty-four thousand, twenty-five".

Divisors: 1 5 25 53 265 1325 4915837 24579185 122895925 260539361 1302696805 6513484025