25058861525 has 12 divisors (see below), whose sum is σ = 31085343744. Its totient is φ = 20039118000.

The previous prime is 25058861507. The next prime is 25058861533. The reversal of 25058861525 is 52516885052.

It is not a de Polignac number, because 25058861525 - 2²⁶ = 24991752661 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 25058861525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134741 + ... + 261290.

It is an arithmetic number, because the mean of its divisors is an integer number (2590445312).

Almost surely, 2^25058861525 is an apocalyptic number.

25058861525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25058861525 is a deficient number, since it is larger than the sum of its proper divisors (6026482219).

25058861525 is a wasteful number, since it uses less digits than its factorization.

25058861525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398572 (or 398567 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 25058861525 in words is "twenty-five billion, fifty-eight million, eight hundred sixty-one thousand, five hundred twenty-five".