253531132225 has 12 divisors (see below), whose sum is σ = 359289833344. Its totient is φ = 173849919120.

The previous prime is 253531132213. The next prime is 253531132229. The reversal of 253531132225 is 522231135352.

It is not a de Polignac number, because 253531132225 - 2²⁵ = 253497577793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253531132229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724374489 + ... + 724374838.

Almost surely, 2^253531132225 is an apocalyptic number.

253531132225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253531132225 is a deficient number, since it is larger than the sum of its proper divisors (105758701119).

253531132225 is a wasteful number, since it uses less digits than its factorization.

253531132225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448749344 (or 1448749339 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

Adding to 253531132225 its reverse (522231135352), we get a palindrome (775762267577).

The spelling of 253531132225 in words is "two hundred fifty-three billion, five hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty-five".