252079247 has 8 divisors (see below), whose sum is σ = 305037216. Its totient is φ = 203357952.

The previous prime is 252079231. The next prime is 252079271. The reversal of 252079247 is 742970252.

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

It is not a de Polignac number, because 252079247 - 2⁴ = 252079231 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 252079247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252079207) 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, 1059038 + ... + 1059275.

It is an arithmetic number, because the mean of its divisors is an integer number (38129652).

Almost surely, 2^252079247 is an apocalyptic number.

252079247 is a deficient number, since it is larger than the sum of its proper divisors (52957969).

252079247 is a wasteful number, since it uses less digits than its factorization.

252079247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118337.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 252079247 is about 15877.0037160668. The cubic root of 252079247 is about 631.7021634810.

The spelling of 252079247 in words is "two hundred fifty-two million, seventy-nine thousand, two hundred forty-seven".