252424239 has 4 divisors (see below), whose sum is σ = 336565656. Its totient is φ = 168282824.

The previous prime is 252424231. The next prime is 252424261. The reversal of 252424239 is 932424252.

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 252424239 - 2³ = 252424231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252424231) 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, 42070704 + ... + 42070709.

It is an arithmetic number, because the mean of its divisors is an integer number (84141414).

Almost surely, 2^252424239 is an apocalyptic number.

252424239 is a deficient number, since it is larger than the sum of its proper divisors (84141417).

252424239 is an equidigital number, since it uses as much as digits as its factorization.

252424239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84141416.

The product of its digits is 34560, while the sum is 33.

The square root of 252424239 is about 15887.8645198151. The cubic root of 252424239 is about 631.9902115866.

The spelling of 252424239 in words is "two hundred fifty-two million, four hundred twenty-four thousand, two hundred thirty-nine".