252102015 has 24 divisors (see below), whose sum is σ = 476702928. Its totient is φ = 122231040.

The previous prime is 252101947. The next prime is 252102029. The reversal of 252102015 is 510201252.

It is not a de Polignac number, because 252102015 - 2²² = 247907711 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 254154 + ... + 255143.

It is an arithmetic number, because the mean of its divisors is an integer number (19862622).

Almost surely, 2^252102015 is an apocalyptic number.

252102015 is a deficient number, since it is larger than the sum of its proper divisors (224600913).

252102015 is a wasteful number, since it uses less digits than its factorization.

252102015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509319 (or 509316 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 252102015 is about 15877.7207117395. The cubic root of 252102015 is about 631.7211815240.

Adding to 252102015 its reverse (510201252), we get a palindrome (762303267).

It can be divided in two parts, 25210 and 2015, that added together give a square (27225 = 165²).

The spelling of 252102015 in words is "two hundred fifty-two million, one hundred two thousand, fifteen".