252842 has 4 divisors (see below), whose sum is σ = 379266. Its totient is φ = 126420.

The previous prime is 252829. The next prime is 252869. The reversal of 252842 is 248252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 185761 + 67081 = 431^2 + 259^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252842.

It is an unprimeable number.

252842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63209 + ... + 63212.

2²⁵²⁸⁴² is an apocalyptic number.

252842 is a deficient number, since it is larger than the sum of its proper divisors (126424).

252842 is a wasteful number, since it uses less digits than its factorization.

252842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126423.

The product of its digits is 1280, while the sum is 23.

The square root of 252842 is about 502.8339686219. The cubic root of 252842 is about 63.2338666429.

The spelling of 252842 in words is "two hundred fifty-two thousand, eight hundred forty-two".