252578613 has 48 divisors (see below), whose sum is σ = 407342976. Its totient is φ = 136235520.

The previous prime is 252578593. The next prime is 252578621. The reversal of 252578613 is 316875252.

252578613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252578613 - 2¹⁸ = 252316469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252578633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3459945 + ... + 3460017.

It is an arithmetic number, because the mean of its divisors is an integer number (8486312).

Almost surely, 2^252578613 is an apocalyptic number.

It is an amenable number.

252578613 is a deficient number, since it is larger than the sum of its proper divisors (154764363).

252578613 is an equidigital number, since it uses as much as digits as its factorization.

252578613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 181 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 252578613 is about 15892.7220135507. The cubic root of 252578613 is about 632.1190198387.

The spelling of 252578613 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, six hundred thirteen".