253513131 has 8 divisors (see below), whose sum is σ = 341364624. Its totient is φ = 167335200.

The previous prime is 253513123. The next prime is 253513177. The reversal of 253513131 is 131315352.

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

It is not a de Polignac number, because 253513131 - 2³ = 253513123 is a prime.

It is a super-2 number, since 2×253513131² = 128537815178846322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253513111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418036 + ... + 418641.

It is an arithmetic number, because the mean of its divisors is an integer number (42670578).

Almost surely, 2^253513131 is an apocalyptic number.

253513131 is a deficient number, since it is larger than the sum of its proper divisors (87851493).

253513131 is a wasteful number, since it uses less digits than its factorization.

253513131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836781.

The product of its digits is 1350, while the sum is 24.

The square root of 253513131 is about 15922.0956849279. The cubic root of 253513131 is about 632.8976547147.

Adding to 253513131 its reverse (131315352), we get a palindrome (384828483).

It can be divided in two parts, 25351 and 3131, that added together give a palindrome (28482).

The spelling of 253513131 in words is "two hundred fifty-three million, five hundred thirteen thousand, one hundred thirty-one".