531027008656 has 15 divisors (see below), whose sum is σ = 1028870476851. Its totient is φ = 265512046896.

The previous prime is 531027008639. The next prime is 531027008657. The reversal of 531027008656 is 656800720135.

The square root of 531027008656 is 728716.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531027008657) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2823775 + ... + 3005953.

Almost surely, 2^531027008656 is an apocalyptic number.

531027008656 is the 728716-th square number.

It is an amenable number.

531027008656 is a deficient number, since it is larger than the sum of its proper divisors (497843468195).

531027008656 is an frugal number, since it uses more digits than its factorization.

531027008656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364366 (or 182181 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 531027008656 in words is "five hundred thirty-one billion, twenty-seven million, eight thousand, six hundred fifty-six".