25278053000 has 64 divisors (see below), whose sum is σ = 61190391600. Its totient is φ = 9762547200.

The previous prime is 25278052997. The next prime is 25278053033. The reversal of 25278053000 is 35087252.

It can be written as a sum of positive squares in 8 ways, for example, as 648517156 + 24629535844 = 25466^2 + 156938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406829 + ... + 464828.

Almost surely, 2^25278053000 is an apocalyptic number.

25278053000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25278053000 is an abundant number, since it is smaller than the sum of its proper divisors (35912338600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25278053000 is a wasteful number, since it uses less digits than its factorization.

25278053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871707 (or 871693 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 25278053000 in words is "twenty-five billion, two hundred seventy-eight million, fifty-three thousand".