252916515 has 24 divisors (see below), whose sum is σ = 442419120. Its totient is φ = 133648704.

The previous prime is 252916513. The next prime is 252916529. The reversal of 252916515 is 515619252.

252916515 is a `hidden beast` number, since 2 + 52 + 91 + 6 + 515 = 666.

252916515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252916515 - 2¹ = 252916513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252916515.

It is not an unprimeable number, because it can be changed into a prime (252916513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20877 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (18434130).

Almost surely, 2^252916515 is an apocalyptic number.

252916515 is a deficient number, since it is larger than the sum of its proper divisors (189502605).

252916515 is a wasteful number, since it uses less digits than its factorization.

252916515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51683 (or 51680 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 252916515 is about 15903.3491755668. The cubic root of 252916515 is about 632.4007791159.

It can be divided in two parts, 2529 and 16515, that added together give a square (19044 = 138²).

The spelling of 252916515 in words is "two hundred fifty-two million, nine hundred sixteen thousand, five hundred fifteen".