252315330 has 16 divisors (see below), whose sum is σ = 605556864. Its totient is φ = 67284080.

The previous prime is 252315319. The next prime is 252315347. The reversal of 252315330 is 33513252.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252315330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4205226 + ... + 4205285.

It is an arithmetic number, because the mean of its divisors is an integer number (37847304).

Almost surely, 2^252315330 is an apocalyptic number.

252315330 is an abundant number, since it is smaller than the sum of its proper divisors (353241534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252315330 is a wasteful number, since it uses less digits than its factorization.

252315330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410521.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 252315330 is about 15884.4367227799. The cubic root of 252315330 is about 631.8993073171.

Adding to 252315330 its reverse (33513252), we get a palindrome (285828582).

The spelling of 252315330 in words is "two hundred fifty-two million, three hundred fifteen thousand, three hundred thirty".