25007642325 has 60 divisors (see below), whose sum is σ = 47574908260. Its totient is φ = 12976899840.

The previous prime is 25007642279. The next prime is 25007642347. The reversal of 25007642325 is 52324670052.

25007642325 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 7 + 642 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2162529009 + 22845113316 = 46503^2 + 151146^2 .

It is not a de Polignac number, because 25007642325 - 2²⁵ = 24974087893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25007642325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 91960 + ... + 241809.

Almost surely, 2^25007642325 is an apocalyptic number.

25007642325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25007642325 is a deficient number, since it is larger than the sum of its proper divisors (22567265935).

25007642325 is a wasteful number, since it uses less digits than its factorization.

25007642325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333828 (or 333814 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 25007642325 in words is "twenty-five billion, seven million, six hundred forty-two thousand, three hundred twenty-five".