252334621 has 32 divisors (see below), whose sum is σ = 340927488. Its totient is φ = 180714240.

The previous prime is 252334619. The next prime is 252334627. The reversal of 252334621 is 126433252.

It is not a de Polignac number, because 252334621 - 2¹ = 252334619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252334621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252334627) 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 31 ways as a sum of consecutive naturals, for example, 54046 + ... + 58528.

It is an arithmetic number, because the mean of its divisors is an integer number (10653984).

Almost surely, 2^252334621 is an apocalyptic number.

It is an amenable number.

252334621 is a deficient number, since it is larger than the sum of its proper divisors (88592867).

252334621 is a wasteful number, since it uses less digits than its factorization.

252334621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561.

The product of its digits is 8640, while the sum is 28.

The square root of 252334621 is about 15885.0439407639. The cubic root of 252334621 is about 631.9154110537.

Adding to 252334621 its reverse (126433252), we get a palindrome (378767873).

The spelling of 252334621 in words is "two hundred fifty-two million, three hundred thirty-four thousand, six hundred twenty-one".