531564466 has 16 divisors (see below), whose sum is σ = 856853856. Its totient is φ = 246413376.

The previous prime is 531564443. The next prime is 531564487. The reversal of 531564466 is 664465135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114396 + ... + 118951.

It is an arithmetic number, because the mean of its divisors is an integer number (53553366).

Almost surely, 2^531564466 is an apocalyptic number.

531564466 is a deficient number, since it is larger than the sum of its proper divisors (325289390).

531564466 is a wasteful number, since it uses less digits than its factorization.

531564466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233433.

The product of its digits is 259200, while the sum is 40.

The square root of 531564466 is about 23055.6818593595. The cubic root of 531564466 is about 810.0627223695.

The spelling of 531564466 in words is "five hundred thirty-one million, five hundred sixty-four thousand, four hundred sixty-six".