252740367 has 24 divisors (see below), whose sum is σ = 398827728. Its totient is φ = 152956800.

The previous prime is 252740363. The next prime is 252740393. The reversal of 252740367 is 763047252.

It is a happy number.

252740367 is a `hidden beast` number, since 25 + 274 + 0 + 367 = 666.

It is not a de Polignac number, because 252740367 - 2² = 252740363 is a prime.

It is a super-2 number, since 2×252740367² = 127755386222589378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252740363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91803 + ... + 94515.

It is an arithmetic number, because the mean of its divisors is an integer number (16617822).

Almost surely, 2^252740367 is an apocalyptic number.

252740367 is a deficient number, since it is larger than the sum of its proper divisors (146087361).

252740367 is a wasteful number, since it uses less digits than its factorization.

252740367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 252740367 is about 15897.8101322163. The cubic root of 252740367 is about 632.2539295995.

The spelling of 252740367 in words is "two hundred fifty-two million, seven hundred forty thousand, three hundred sixty-seven".