252806 has 8 divisors (see below), whose sum is σ = 388584. Its totient is φ = 123280.

The previous prime is 252779. The next prime is 252817. The reversal of 252806 is 608252.

It is a happy number.

252806 is nontrivially palindromic in base 13.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252806.

It is an unprimeable 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, 1460 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (48573).

2²⁵²⁸⁰⁶ is an apocalyptic number.

252806 is a deficient number, since it is larger than the sum of its proper divisors (135778).

252806 is a wasteful number, since it uses less digits than its factorization.

252806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 252806 is about 502.7981702433. The cubic root of 252806 is about 63.2308653915.

The spelling of 252806 in words is "two hundred fifty-two thousand, eight hundred six".