25025027528 has 16 divisors (see below), whose sum is σ = 49391502000. Its totient is φ = 11853960336.

The previous prime is 25025027501. The next prime is 25025027537. The reversal of 25025027528 is 82572052052.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 25025027491 and 25025027500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82319018 + ... + 82319321.

It is an arithmetic number, because the mean of its divisors is an integer number (3086968875).

Almost surely, 2^25025027528 is an apocalyptic number.

It is an amenable number.

25025027528 is a deficient number, since it is larger than the sum of its proper divisors (24366474472).

25025027528 is a wasteful number, since it uses less digits than its factorization.

25025027528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164638364 (or 164638360 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 25025027528 in words is "twenty-five billion, twenty-five million, twenty-seven thousand, five hundred twenty-eight".