252405115 has 8 divisors (see below), whose sum is σ = 302974560. Its totient is φ = 201865152.

The previous prime is 252405091. The next prime is 252405199. The reversal of 252405115 is 511504252.

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

It is a cyclic number.

It is not a de Polignac number, because 252405115 - 2¹⁵ = 252372347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252405115.

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 7 ways as a sum of consecutive naturals, for example, 22426 + ... + 31744.

It is an arithmetic number, because the mean of its divisors is an integer number (37871820).

Almost surely, 2^252405115 is an apocalyptic number.

252405115 is a deficient number, since it is larger than the sum of its proper divisors (50569445).

252405115 is an equidigital number, since it uses as much as digits as its factorization.

252405115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14741.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 252405115 is about 15887.2626654185. The cubic root of 252405115 is about 631.9742510406.

Adding to 252405115 its reverse (511504252), we get a palindrome (763909367).

The spelling of 252405115 in words is "two hundred fifty-two million, four hundred five thousand, one hundred fifteen".