531486916 has 9 divisors (see below), whose sum is σ = 930182799. Its totient is φ = 265720404.

The previous prime is 531486913. The next prime is 531486953. The reversal of 531486916 is 619684135.

The square root of 531486916 is 23054.

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 (531486913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 40345 + ... + 51871.

Almost surely, 2^531486916 is an apocalyptic number.

531486916 is the 23054-th square number.

It is an amenable number.

531486916 is a deficient number, since it is larger than the sum of its proper divisors (398695883).

531486916 is an frugal number, since it uses more digits than its factorization.

531486916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23058 (or 11529 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The cubic root of 531486916 is about 810.0233270730.

The spelling of 531486916 in words is "five hundred thirty-one million, four hundred eighty-six thousand, nine hundred sixteen".