531307465 has 16 divisors (see below), whose sum is σ = 690838848. Its totient is φ = 389935296.

The previous prime is 531307453. The next prime is 531307471. The reversal of 531307465 is 564703135.

It is a cyclic number.

It is not a de Polignac number, because 531307465 - 2⁵ = 531307433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531307465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14479 + ... + 35668.

It is an arithmetic number, because the mean of its divisors is an integer number (43177428).

Almost surely, 2^531307465 is an apocalyptic number.

It is an amenable number.

531307465 is a deficient number, since it is larger than the sum of its proper divisors (159531383).

531307465 is a wasteful number, since it uses less digits than its factorization.

531307465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50328.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 531307465 is about 23050.1077003991. The cubic root of 531307465 is about 809.9321515084.

The spelling of 531307465 in words is "five hundred thirty-one million, three hundred seven thousand, four hundred sixty-five".