531312551253 has 80 divisors (see below), whose sum is σ = 942842260800. Its totient is φ = 294540261120.

The previous prime is 531312551251. The next prime is 531312551257. The reversal of 531312551253 is 352155213135.

531312551253 is a `hidden beast` number, since 5 + 3 + 13 + 125 + 512 + 5 + 3 = 666.

It is not a de Polignac number, because 531312551253 - 2¹ = 531312551251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531312551251) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50176 + ... + 1032057.

It is an arithmetic number, because the mean of its divisors is an integer number (11785528260).

Almost surely, 2^531312551253 is an apocalyptic number.

It is an amenable number.

531312551253 is a deficient number, since it is larger than the sum of its proper divisors (411529709547).

531312551253 is a wasteful number, since it uses less digits than its factorization.

531312551253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082304 (or 1082295 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

Adding to 531312551253 its reverse (352155213135), we get a palindrome (883467764388).

The spelling of 531312551253 in words is "five hundred thirty-one billion, three hundred twelve million, five hundred fifty-one thousand, two hundred fifty-three".