252513023 has 6 divisors (see below), whose sum is σ = 293739696. Its totient is φ = 216439692.

The previous prime is 252512969. The next prime is 252513031. The reversal of 252513023 is 320315252.

It is not a de Polignac number, because 252513023 - 2¹⁴ = 252496639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252513023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252513083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2576615 + ... + 2576712.

It is an arithmetic number, because the mean of its divisors is an integer number (48956616).

Almost surely, 2^252513023 is an apocalyptic number.

252513023 is a deficient number, since it is larger than the sum of its proper divisors (41226673).

252513023 is an equidigital number, since it uses as much as digits as its factorization.

252513023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153341 (or 5153334 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 252513023 is about 15890.6583564055. The cubic root of 252513023 is about 632.0642985575.

Adding to 252513023 its reverse (320315252), we get a palindrome (572828275).

The spelling of 252513023 in words is "two hundred fifty-two million, five hundred thirteen thousand, twenty-three".