253133131 has 8 divisors (see below), whose sum is σ = 259237440. Its totient is φ = 247038792.

The previous prime is 253133129. The next prime is 253133149. The reversal of 253133131 is 131331352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253133131 - 2¹ = 253133129 is a prime.

It is a super-2 number, since 2×253133131² = 128152764019726322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253133161) 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 7 ways as a sum of consecutive naturals, for example, 84660 + ... + 87598.

It is an arithmetic number, because the mean of its divisors is an integer number (32404680).

Almost surely, 2^253133131 is an apocalyptic number.

253133131 is a deficient number, since it is larger than the sum of its proper divisors (6104309).

253133131 is a wasteful number, since it uses less digits than its factorization.

253133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985.

The product of its digits is 810, while the sum is 22.

The square root of 253133131 is about 15910.1581073225. The cubic root of 253133131 is about 632.5812721887.

Adding to 253133131 its reverse (131331352), we get a palindrome (384464483).

The spelling of 253133131 in words is "two hundred fifty-three million, one hundred thirty-three thousand, one hundred thirty-one".