252780272 has 20 divisors (see below), whose sum is σ = 490782576. Its totient is φ = 126126720.

The previous prime is 252780271. The next prime is 252780277. The reversal of 252780272 is 272087252.

It is a happy number.

252780272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252780271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429 + ... + 24012.

Almost surely, 2^252780272 is an apocalyptic number.

It is an amenable number.

252780272 is a deficient number, since it is larger than the sum of its proper divisors (238002304).

252780272 is a wasteful number, since it uses less digits than its factorization.

252780272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32936 (or 32930 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 252780272 is about 15899.0651297490. The cubic root of 252780272 is about 632.2872032255.

The spelling of 252780272 in words is "two hundred fifty-two million, seven hundred eighty thousand, two hundred seventy-two".