252786 has 8 divisors (see below), whose sum is σ = 505584. Its totient is φ = 84260.

The previous prime is 252779. The next prime is 252817. The reversal of 252786 is 687252.

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

252786 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21060 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (63198).

2²⁵²⁷⁸⁶ is an apocalyptic number.

252786 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.

252786 is a wasteful number, since it uses less digits than its factorization.

252786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42136.

The product of its digits is 6720, while the sum is 30.

The square root of 252786 is about 502.7782811538. The cubic root of 252786 is about 63.2291979065.

The spelling of 252786 in words is "two hundred fifty-two thousand, seven hundred eighty-six".