531513512253 has 10 divisors (see below), whose sum is σ = 793989320894. Its totient is φ = 354342341448.

The previous prime is 531513512237. The next prime is 531513512281. The reversal of 531513512253 is 352215315135.

531513512253 is a `hidden beast` number, since 5 + 3 + 1 + 51 + 351 + 2 + 253 = 666.

It can be written as a sum of positive squares in only one way, i.e., 477483764004 + 54029748249 = 691002^2 + 232443^2 .

It is not a de Polignac number, because 531513512253 - 2⁴ = 531513512237 is a prime.

It is a super-2 number, since 2×531513512253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531513511253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3280947526 + ... + 3280947687.

Almost surely, 2^531513512253 is an apocalyptic number.

It is an amenable number.

531513512253 is a deficient number, since it is larger than the sum of its proper divisors (262475808641).

531513512253 is an equidigital number, since it uses as much as digits as its factorization.

531513512253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561895225 (or 6561895216 counting only the distinct ones).

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

Adding to 531513512253 its reverse (352215315135), we get a palindrome (883728827388).

The spelling of 531513512253 in words is "five hundred thirty-one billion, five hundred thirteen million, five hundred twelve thousand, two hundred fifty-three".