252277500 has 60 divisors (see below), whose sum is σ = 735595784. Its totient is φ = 67272000.

The previous prime is 252277489. The next prime is 252277511. The reversal of 252277500 is 5772252.

It is an interprime number because it is at equal distance from previous prime (252277489) and next prime (252277511).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9319 + ... + 24318.

Almost surely, 2^252277500 is an apocalyptic number.

252277500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252277500 is an abundant number, since it is smaller than the sum of its proper divisors (483318284).

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

252277500 is a wasteful number, since it uses less digits than its factorization.

252277500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33664 (or 33647 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 252277500 is about 15883.2458899307. The cubic root of 252277500 is about 631.8677252149.

The spelling of 252277500 in words is "two hundred fifty-two million, two hundred seventy-seven thousand, five hundred".