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6465425 = 52258617
BaseRepresentation
bin11000101010011110010001
3110011110220012
4120222132101
53123343200
6350324305
7105645431
oct30523621
913143805
106465425
11371662a
1221b9695
131454ac5
14c042c1
1587aa35
hex62a791

6465425 has 6 divisors (see below), whose sum is σ = 8017158. Its totient is φ = 5172320.

The previous prime is 6465419. The next prime is 6465467. The reversal of 6465425 is 5245646.

It can be written as a sum of positive squares in 3 ways, for example, as 506944 + 5958481 = 712^2 + 2441^2 .

It is not a de Polignac number, because 6465425 - 24 = 6465409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6465391 and 6465400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129284 + ... + 129333.

It is an arithmetic number, because the mean of its divisors is an integer number (1336193).

Almost surely, 26465425 is an apocalyptic number.

It is an amenable number.

6465425 is a deficient number, since it is larger than the sum of its proper divisors (1551733).

6465425 is a wasteful number, since it uses less digits than its factorization.

6465425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258627 (or 258622 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 6465425 is about 2542.7200003146. The cubic root of 6465425 is about 186.2940679173.

The spelling of 6465425 in words is "six million, four hundred sixty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 258617 1293085 6465425