252052442 has 16 divisors (see below), whose sum is σ = 400428960. Its totient is φ = 118657872.

The previous prime is 252052397. The next prime is 252052447. The reversal of 252052442 is 244250252.

It is not an unprimeable number, because it can be changed into a prime (252052447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14153 + ... + 26540.

It is an arithmetic number, because the mean of its divisors is an integer number (25026810).

Almost surely, 2^252052442 is an apocalyptic number.

252052442 is a deficient number, since it is larger than the sum of its proper divisors (148376518).

252052442 is a wasteful number, since it uses less digits than its factorization.

252052442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40877.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 252052442 is about 15876.1595482031. The cubic root of 252052442 is about 631.6797718761.

The spelling of 252052442 in words is "two hundred fifty-two million, fifty-two thousand, four hundred forty-two".