252511330 has 32 divisors (see below), whose sum is σ = 486308160. Its totient is φ = 94115520.

The previous prime is 252511291. The next prime is 252511361. The reversal of 252511330 is 33115252.

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 15 ways as a sum of consecutive naturals, for example, 697 + ... + 22483.

It is an arithmetic number, because the mean of its divisors is an integer number (15197130).

Almost surely, 2^252511330 is an apocalyptic number.

252511330 is a deficient number, since it is larger than the sum of its proper divisors (233796830).

252511330 is a wasteful number, since it uses less digits than its factorization.

252511330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 252511330 is about 15890.6050860249. The cubic root of 252511330 is about 632.0628859739.

Adding to 252511330 its reverse (33115252), we get a palindrome (285626582).

The spelling of 252511330 in words is "two hundred fifty-two million, five hundred eleven thousand, three hundred thirty".