252839879 has 8 divisors (see below), whose sum is σ = 254926848. Its totient is φ = 250761240.

The previous prime is 252839857. The next prime is 252839887. The reversal of 252839879 is 978938252.

252839879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252839879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252839879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252839809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68294 + ... + 71900.

It is an arithmetic number, because the mean of its divisors is an integer number (31865856).

Almost surely, 2^252839879 is an apocalyptic number.

252839879 is a deficient number, since it is larger than the sum of its proper divisors (2086969).

252839879 is a wasteful number, since it uses less digits than its factorization.

252839879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its digits is 2177280, while the sum is 53.

The square root of 252839879 is about 15900.9395634346. The cubic root of 252839879 is about 632.3368982709.

The spelling of 252839879 in words is "two hundred fifty-two million, eight hundred thirty-nine thousand, eight hundred seventy-nine".