252618 has 16 divisors (see below), whose sum is σ = 513216. Its totient is φ = 82880.

The previous prime is 252617. The next prime is 252641. The reversal of 252618 is 816252.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252611) 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 7 ways as a sum of consecutive naturals, for example, 130 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (32076).

2²⁵²⁶¹⁸ is an apocalyptic number.

252618 is an abundant number, since it is smaller than the sum of its proper divisors (260598).

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

252618 is a wasteful number, since it uses less digits than its factorization.

252618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 960, while the sum is 24.

The square root of 252618 is about 502.6111817300. The cubic root of 252618 is about 63.2151875587.

The spelling of 252618 in words is "two hundred fifty-two thousand, six hundred eighteen".