252770 has 32 divisors (see below), whose sum is σ = 546048. Its totient is φ = 82368.

The previous prime is 252767. The next prime is 252779. The reversal of 252770 is 77252.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (252779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (17064).

2²⁵²⁷⁷⁰ is an apocalyptic number.

252770 is an abundant number, since it is smaller than the sum of its proper divisors (293278).

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

252770 is a wasteful number, since it uses less digits than its factorization.

252770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 252770 is about 502.7623693158. The cubic root of 252770 is about 63.2278638551.

The spelling of 252770 in words is "two hundred fifty-two thousand, seven hundred seventy".