252516215 has 16 divisors (see below), whose sum is σ = 366679872. Its totient is φ = 162968064.

The previous prime is 252516203. The next prime is 252516263. The reversal of 252516215 is 512615252.

It is not a de Polignac number, because 252516215 - 2⁸ = 252515959 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 15 ways as a sum of consecutive naturals, for example, 211604 + ... + 212793.

It is an arithmetic number, because the mean of its divisors is an integer number (22917492).

Almost surely, 2^252516215 is an apocalyptic number.

252516215 is a deficient number, since it is larger than the sum of its proper divisors (114163657).

252516215 is a wasteful number, since it uses less digits than its factorization.

252516215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424426.

The product of its digits is 6000, while the sum is 29.

The square root of 252516215 is about 15890.7587924554. The cubic root of 252516215 is about 632.0669618403.

The spelling of 252516215 in words is "two hundred fifty-two million, five hundred sixteen thousand, two hundred fifteen".