253613136 has 80 divisors (see below), whose sum is σ = 759379968. Its totient is φ = 71433600.

The previous prime is 253613119. The next prime is 253613153. The reversal of 253613136 is 631316352.

It is a happy number.

253613136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253613119) and next prime (253613153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18541 + ... + 29171.

Almost surely, 2^253613136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253613136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379689984).

253613136 is an abundant number, since it is smaller than the sum of its proper divisors (505766832).

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

253613136 is a wasteful number, since it uses less digits than its factorization.

253613136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720 (or 10714 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 253613136 is about 15925.2358224298. The cubic root of 253613136 is about 632.9808648808.

Adding to 253613136 its reverse (631316352), we get a palindrome (884929488).

The spelling of 253613136 in words is "two hundred fifty-three million, six hundred thirteen thousand, one hundred thirty-six".