25000552525 has 48 divisors (see below), whose sum is σ = 34011753664. Its totient is φ = 18117665280.

The previous prime is 25000552519. The next prime is 25000552543. The reversal of 25000552525 is 52525500052.

It is a de Polignac number, because none of the positive numbers 2^k-25000552525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6160297 + ... + 6164353.

Almost surely, 2^25000552525 is an apocalyptic number.

25000552525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000552525 is a deficient number, since it is larger than the sum of its proper divisors (9011201139).

25000552525 is a wasteful number, since it uses less digits than its factorization.

25000552525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 25000552525 in words is "twenty-five billion, five hundred fifty-two thousand, five hundred twenty-five".