252239 has 4 divisors (see below), whose sum is σ = 271656. Its totient is φ = 232824.

The previous prime is 252233. The next prime is 252253. The reversal of 252239 is 932252.

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

It is a cyclic number.

It is not a de Polignac number, because 252239 - 2⁴ = 252223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9689 + ... + 9714.

It is an arithmetic number, because the mean of its divisors is an integer number (67914).

2²⁵²²³⁹ is an apocalyptic number.

252239 is a deficient number, since it is larger than the sum of its proper divisors (19417).

252239 is a wasteful number, since it uses less digits than its factorization.

252239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416.

The product of its digits is 1080, while the sum is 23.

The square root of 252239 is about 502.2340092029. The cubic root of 252239 is about 63.1835580526.

The spelling of 252239 in words is "two hundred fifty-two thousand, two hundred thirty-nine".