252780752 has 40 divisors (see below), whose sum is σ = 592658496. Its totient is φ = 101961216.

The previous prime is 252780751. The next prime is 252780779. The reversal of 252780752 is 257087252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252780751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64478 + ... + 68285.

Almost surely, 2^252780752 is an apocalyptic number.

It is an amenable number.

252780752 is an abundant number, since it is smaller than the sum of its proper divisors (339877744).

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

252780752 is a wasteful number, since it uses less digits than its factorization.

252780752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132795 (or 132789 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 252780752 is about 15899.0802249690. The cubic root of 252780752 is about 632.2876034383.

The spelling of 252780752 in words is "two hundred fifty-two million, seven hundred eighty thousand, seven hundred fifty-two".