531127576225 has 9 divisors (see below), whose sum is σ = 658602713017. Its totient is φ = 424899145840.

The previous prime is 531127576211. The next prime is 531127576237. The reversal of 531127576225 is 522675721135.

The square root of 531127576225 is 728785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 81283720609 + 449843855616 = 285103^2 + 670704^2 .

It is not a de Polignac number, because 531127576225 - 2⁷ = 531127576097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3571047 + ... + 3716803.

Almost surely, 2^531127576225 is an apocalyptic number.

531127576225 is the 728785-th square number.

531127576225 is the 364393-rd centered octagonal number.

It is an amenable number.

531127576225 is a deficient number, since it is larger than the sum of its proper divisors (127475136792).

531127576225 is an frugal number, since it uses more digits than its factorization.

531127576225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291524 (or 145762 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The spelling of 531127576225 in words is "five hundred thirty-one billion, one hundred twenty-seven million, five hundred seventy-six thousand, two hundred twenty-five".