252163615 has 8 divisors (see below), whose sum is σ = 330105168. Its totient is φ = 183391680.

The previous prime is 252163609. The next prime is 252163657. The reversal of 252163615 is 516361252.

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

It is not a de Polignac number, because 252163615 - 2³ = 252163607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292342 + ... + 2292451.

It is an arithmetic number, because the mean of its divisors is an integer number (41263146).

Almost surely, 2^252163615 is an apocalyptic number.

252163615 is a deficient number, since it is larger than the sum of its proper divisors (77941553).

252163615 is a wasteful number, since it uses less digits than its factorization.

252163615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584809.

The product of its digits is 10800, while the sum is 31.

The square root of 252163615 is about 15879.6604182835. The cubic root of 252163615 is about 631.7726300824.

The spelling of 252163615 in words is "two hundred fifty-two million, one hundred sixty-three thousand, six hundred fifteen".