252012015 has 24 divisors (see below), whose sum is σ = 442978848. Its totient is φ = 132511680.

The previous prime is 252012011. The next prime is 252012023. The reversal of 252012015 is 510210252.

It is not a de Polignac number, because 252012015 - 2² = 252012011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252012011) by changing a digit.

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, 36244 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (18457452).

Almost surely, 2^252012015 is an apocalyptic number.

252012015 is a deficient number, since it is larger than the sum of its proper divisors (190966833).

252012015 is a wasteful number, since it uses less digits than its factorization.

252012015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78959 (or 78956 counting only the distinct ones).

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

The square root of 252012015 is about 15874.8862988054. The cubic root of 252012015 is about 631.6459981062.

Adding to 252012015 its reverse (510210252), we get a palindrome (762222267).

It can be divided in two parts, 2520 and 12015, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 252012015 in words is "two hundred fifty-two million, twelve thousand, fifteen".