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25014631325 = 521000585253
BaseRepresentation
bin10111010010111111…
…001111101110011101
32101120022102221012212
4113102333033232131
5402212221200300
615254102210205
71543612600205
oct272277175635
971508387185
1025014631325
11a67711a832
124a21423965
13248858a0c8
1412d42b5405
159b6112935
hex5d2fcfb9d

25014631325 has 6 divisors (see below), whose sum is σ = 31018142874. Its totient is φ = 20011705040.

The previous prime is 25014631289. The next prime is 25014631349. The reversal of 25014631325 is 52313641052.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13645636 + 25000985689 = 3694^2 + 158117^2 .

It is not a de Polignac number, because 25014631325 - 26 = 25014631261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25014631291 and 25014631300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500292602 + ... + 500292651.

It is an arithmetic number, because the mean of its divisors is an integer number (5169690479).

Almost surely, 225014631325 is an apocalyptic number.

25014631325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25014631325 is a deficient number, since it is larger than the sum of its proper divisors (6003511549).

25014631325 is a wasteful number, since it uses less digits than its factorization.

25014631325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000585263 (or 1000585258 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 25014631325 in words is "twenty-five billion, fourteen million, six hundred thirty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 1000585253 5002926265 25014631325