252812 has 12 divisors (see below), whose sum is σ = 505680. Its totient is φ = 108336.

The previous prime is 252779. The next prime is 252817. The reversal of 252812 is 218252.

252812 = T₁₈₃ + T₁₈₄ + ... + T₁₉₆.

252812 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252812.

It is not an unprimeable number, because it can be changed into a prime (252817) by changing a digit.

252812 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4487 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (42140).

2²⁵²⁸¹² is an apocalyptic number.

It is an amenable number.

252812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252812 is a wasteful number, since it uses less digits than its factorization.

252812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040 (or 9038 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 252812 is about 502.8041368167. The cubic root of 252812 is about 63.2313656198.

The spelling of 252812 in words is "two hundred fifty-two thousand, eight hundred twelve".