252515015 has 4 divisors (see below), whose sum is σ = 303018024. Its totient is φ = 202012008.

The previous prime is 252514981. The next prime is 252515017. The reversal of 252515015 is 510515252.

252515015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252515015 - 2¹² = 252510919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252515017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25251497 + ... + 25251506.

It is an arithmetic number, because the mean of its divisors is an integer number (75754506).

Almost surely, 2^252515015 is an apocalyptic number.

252515015 is a deficient number, since it is larger than the sum of its proper divisors (50503009).

252515015 is an equidigital number, since it uses as much as digits as its factorization.

252515015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50503008.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 252515015 is about 15890.7210346164. The cubic root of 252515015 is about 632.0659606088.

The spelling of 252515015 in words is "two hundred fifty-two million, five hundred fifteen thousand, fifteen".