252757 has 8 divisors (see below), whose sum is σ = 272160. Its totient is φ = 234000.

The previous prime is 252737. The next prime is 252761. The reversal of 252757 is 757252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252757 - 2¹¹ = 250709 is a prime.

It is a super-2 number, since 2×252757² = 127772202098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252727) 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, 882 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2²⁵²⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

252757 is a deficient number, since it is larger than the sum of its proper divisors (19403).

252757 is a wasteful number, since it uses less digits than its factorization.

252757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 4900, while the sum is 28.

The square root of 252757 is about 502.7494405765. The cubic root of 252757 is about 63.2267798969.

The spelling of 252757 in words is "two hundred fifty-two thousand, seven hundred fifty-seven".