252858 has 32 divisors (see below), whose sum is σ = 558144. Its totient is φ = 76032.

The previous prime is 252829. The next prime is 252869. The reversal of 252858 is 858252.

It is a congruent number.

It is an unprimeable number.

252858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3741 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (17442).

2²⁵²⁸⁵⁸ is an apocalyptic number.

252858 is an abundant number, since it is smaller than the sum of its proper divisors (305286).

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

252858 is a wasteful number, since it uses less digits than its factorization.

252858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its digits is 6400, while the sum is 30.

The square root of 252858 is about 502.8498781943. The cubic root of 252858 is about 63.2352004410.

The spelling of 252858 in words is "two hundred fifty-two thousand, eight hundred fifty-eight".