25887532052 has 12 divisors (see below), whose sum is σ = 45704094996. Its totient is φ = 12829219200.

The previous prime is 25887532007. The next prime is 25887532093. The reversal of 25887532052 is 25023578852.

It can be written as a sum of positive squares in 2 ways, for example, as 9239823376 + 16647708676 = 96124^2 + 129026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25887531988 and 25887532006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28636199 + ... + 28637102.

It is an arithmetic number, because the mean of its divisors is an integer number (3808674583).

Almost surely, 2^25887532052 is an apocalyptic number.

It is an amenable number.

25887532052 is a deficient number, since it is larger than the sum of its proper divisors (19816562944).

25887532052 is a wasteful number, since it uses less digits than its factorization.

25887532052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57273418 (or 57273416 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 25887532052 in words is "twenty-five billion, eight hundred eighty-seven million, five hundred thirty-two thousand, fifty-two".