252489215 has 8 divisors (see below), whose sum is σ = 330531408. Its totient is φ = 183628480.

The previous prime is 252489199. The next prime is 252489227. The reversal of 252489215 is 512984252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252489215 - 2⁴ = 252489199 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295302 + ... + 2295411.

It is an arithmetic number, because the mean of its divisors is an integer number (41316426).

Almost surely, 2^252489215 is an apocalyptic number.

252489215 is a deficient number, since it is larger than the sum of its proper divisors (78042193).

252489215 is a wasteful number, since it uses less digits than its factorization.

252489215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590729.

The product of its digits is 57600, while the sum is 38.

The square root of 252489215 is about 15889.9092193757. The cubic root of 252489215 is about 632.0444333645.

The spelling of 252489215 in words is "two hundred fifty-two million, four hundred eighty-nine thousand, two hundred fifteen".