252126815 has 8 divisors (see below), whose sum is σ = 302697888. Its totient is φ = 201604320.

The previous prime is 252126803. The next prime is 252126817. The reversal of 252126815 is 518621252.

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

It is not a de Polignac number, because 252126815 - 2⁸ = 252126559 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 (252126817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 22460.

It is an arithmetic number, because the mean of its divisors is an integer number (37837236).

Almost surely, 2^252126815 is an apocalyptic number.

252126815 is a deficient number, since it is larger than the sum of its proper divisors (50571073).

252126815 is a wasteful number, since it uses less digits than its factorization.

252126815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24289.

The product of its digits is 9600, while the sum is 32.

The square root of 252126815 is about 15878.5016610510. The cubic root of 252126815 is about 631.7418955877.

The spelling of 252126815 in words is "two hundred fifty-two million, one hundred twenty-six thousand, eight hundred fifteen".