1252957528 has 64 divisors (see below), whose sum is σ = 2590380000. Its totient is φ = 565512192.

The previous prime is 1252957493. The next prime is 1252957561. The reversal of 1252957528 is 8257592521.

It is a congruent number.

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, 641898 + ... + 643846.

Almost surely, 2^1252957528 is an apocalyptic number.

It is an amenable number.

1252957528 is an abundant number, since it is smaller than the sum of its proper divisors (1337422472).

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

1252957528 is a wasteful number, since it uses less digits than its factorization.

1252957528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2160 counting only the distinct ones).

The product of its digits is 504000, while the sum is 46.

The square root of 1252957528 is about 35397.1401104666. The cubic root of 1252957528 is about 1078.0662493147.

The spelling of 1252957528 in words is "one billion, two hundred fifty-two million, nine hundred fifty-seven thousand, five hundred twenty-eight".