253132224520 has 32 divisors (see below), whose sum is σ = 650911435200. Its totient is φ = 86788191168.

The previous prime is 253132224511. The next prime is 253132224547. The reversal of 253132224520 is 25422231352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452021550 + ... + 452022109.

It is an arithmetic number, because the mean of its divisors is an integer number (20340982350).

Almost surely, 2^253132224520 is an apocalyptic number.

253132224520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253132224520 is an abundant number, since it is smaller than the sum of its proper divisors (397779210680).

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

253132224520 is a wasteful number, since it uses less digits than its factorization.

253132224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904043677 (or 904043673 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 253132224520 its reverse (25422231352), we get a palindrome (278554455872).

The spelling of 253132224520 in words is "two hundred fifty-three billion, one hundred thirty-two million, two hundred twenty-four thousand, five hundred twenty".