252488405 has 16 divisors (see below), whose sum is σ = 327774720. Its totient is φ = 185606208.

The previous prime is 252488393. The next prime is 252488417. The reversal of 252488405 is 504884252.

It is an interprime number because it is at equal distance from previous prime (252488393) and next prime (252488417).

It is a cyclic number.

It is not a de Polignac number, because 252488405 - 2¹⁰ = 252487381 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5786 + ... + 23204.

It is an arithmetic number, because the mean of its divisors is an integer number (20485920).

Almost surely, 2^252488405 is an apocalyptic number.

It is an amenable number.

252488405 is a deficient number, since it is larger than the sum of its proper divisors (75286315).

252488405 is a wasteful number, since it uses less digits than its factorization.

252488405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17660.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 252488405 is about 15889.8837314815. The cubic root of 252488405 is about 632.0437574855.

The spelling of 252488405 in words is "two hundred fifty-two million, four hundred eighty-eight thousand, four hundred five".