25528053025 has 12 divisors (see below), whose sum is σ = 31962116992. Its totient is φ = 20224164240.

The previous prime is 25528052987. The next prime is 25528053037. The reversal of 25528053025 is 52035082552.

It is not a de Polignac number, because 25528053025 - 2⁷ = 25528052897 is a prime.

It is a Duffinian 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, 4954329 + ... + 4959478.

Almost surely, 2^25528053025 is an apocalyptic number.

25528053025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25528053025 is a deficient number, since it is larger than the sum of its proper divisors (6434063967).

25528053025 is a wasteful number, since it uses less digits than its factorization.

25528053025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913920 (or 9913915 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25528053025 in words is "twenty-five billion, five hundred twenty-eight million, fifty-three thousand, twenty-five".