253312546 has 24 divisors (see below), whose sum is σ = 411300180. Its totient is φ = 116942592.

The previous prime is 253312537. The next prime is 253312559. The reversal of 253312546 is 645213352.

It is a happy number.

253312546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 249292521 + 4020025 = 15789^2 + 2005^2 .

It is a super-2 number, since 2×253312546² = 128334491922004232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26500 + ... + 34768.

Almost surely, 2^253312546 is an apocalyptic number.

253312546 is a deficient number, since it is larger than the sum of its proper divisors (157987634).

253312546 is a wasteful number, since it uses less digits than its factorization.

253312546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8358 (or 8341 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 253312546 is about 15915.7954875023. The cubic root of 253312546 is about 632.7306899608.

Adding to 253312546 its reverse (645213352), we get a palindrome (898525898).

The spelling of 253312546 in words is "two hundred fifty-three million, three hundred twelve thousand, five hundred forty-six".