531604995 has 16 divisors (see below), whose sum is σ = 850874112. Its totient is φ = 283420640.

The previous prime is 531604987. The next prime is 531605021. The reversal of 531604995 is 599406135.

It is not a de Polignac number, because 531604995 - 2³ = 531604987 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57034 + ... + 65696.

It is an arithmetic number, because the mean of its divisors is an integer number (53179632).

Almost surely, 2^531604995 is an apocalyptic number.

531604995 is a deficient number, since it is larger than the sum of its proper divisors (319269117).

531604995 is a wasteful number, since it uses less digits than its factorization.

531604995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12762.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 531604995 is about 23056.5607799602. The cubic root of 531604995 is about 810.0833095230.

The spelling of 531604995 in words is "five hundred thirty-one million, six hundred four thousand, nine hundred ninety-five".