25021884525 has 24 divisors (see below), whose sum is σ = 45130382304. Its totient is φ = 12131822400.

The previous prime is 25021884523. The next prime is 25021884553. The reversal of 25021884525 is 52548812052.

It is not a de Polignac number, because 25021884525 - 2¹ = 25021884523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25021884523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15163954 + ... + 15165603.

It is an arithmetic number, because the mean of its divisors is an integer number (1880432596).

Almost surely, 2^25021884525 is an apocalyptic number.

25021884525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25021884525 is a deficient number, since it is larger than the sum of its proper divisors (20108497779).

25021884525 is a wasteful number, since it uses less digits than its factorization.

25021884525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30329581 (or 30329576 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 25021884525 in words is "twenty-five billion, twenty-one million, eight hundred eighty-four thousand, five hundred twenty-five".