252512442 has 48 divisors (see below), whose sum is σ = 673370880. Its totient is φ = 66596256.

The previous prime is 252512411. The next prime is 252512443. The reversal of 252512442 is 244215252.

It is not an unprimeable number, because it can be changed into a prime (252512443) 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 23 ways as a sum of consecutive naturals, for example, 75442 + ... + 78717.

It is an arithmetic number, because the mean of its divisors is an integer number (14028560).

Almost surely, 2^252512442 is an apocalyptic number.

252512442 is an abundant number, since it is smaller than the sum of its proper divisors (420858438).

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

252512442 is a wasteful number, since it uses less digits than its factorization.

252512442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154187 (or 154184 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 252512442 is about 15890.6400752141. The cubic root of 252512442 is about 632.0638137909.

Adding to 252512442 its reverse (244215252), we get a palindrome (496727694).

The spelling of 252512442 in words is "two hundred fifty-two million, five hundred twelve thousand, four hundred forty-two".