252330042 has 16 divisors (see below), whose sum is σ = 504816192. Its totient is φ = 84084000.

The previous prime is 252329993. The next prime is 252330061. The reversal of 252330042 is 240033252.

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, 32542 + ... + 39542.

It is an arithmetic number, because the mean of its divisors is an integer number (31551012).

Almost surely, 2^252330042 is an apocalyptic number.

252330042 is an abundant number, since it is smaller than the sum of its proper divisors (252486150).

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

252330042 is a wasteful number, since it uses less digits than its factorization.

252330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 252330042 is about 15884.8998108266. The cubic root of 252330042 is about 631.9115886714.

Adding to 252330042 its reverse (240033252), we get a palindrome (492363294).

The spelling of 252330042 in words is "two hundred fifty-two million, three hundred thirty thousand, forty-two".