25672004642525 has 12 divisors (see below), whose sum is σ = 31881591218400. Its totient is φ = 20506438900080.

The previous prime is 25672004642521. The next prime is 25672004642561. The reversal of 25672004642525 is 52524640027652.

It is not a de Polignac number, because 25672004642525 - 2² = 25672004642521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672004642521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779103545 + ... + 779136494.

It is an arithmetic number, because the mean of its divisors is an integer number (2656799268200).

Almost surely, 2^{25672004642525} is an apocalyptic number.

25672004642525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25672004642525 is a deficient number, since it is larger than the sum of its proper divisors (6209586575875).

25672004642525 is a wasteful number, since it uses less digits than its factorization.

25672004642525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558240708 (or 1558240703 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 50.

The spelling of 25672004642525 in words is "twenty-five trillion, six hundred seventy-two billion, four million, six hundred forty-two thousand, five hundred twenty-five".