531000304 has 20 divisors (see below), whose sum is σ = 1089332064. Its totient is φ = 249882368.

The previous prime is 531000263. The next prime is 531000311. The reversal of 531000304 is 403000135.

It is a super-2 number, since 2×531000304² = 563922645696184832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975832 + ... + 976375.

Almost surely, 2^531000304 is an apocalyptic number.

It is an amenable number.

531000304 is an abundant number, since it is smaller than the sum of its proper divisors (558331760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531000304 is a wasteful number, since it uses less digits than its factorization.

531000304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952232 (or 1952226 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 531000304 is about 23043.4438398430. The cubic root of 531000304 is about 809.7760413192.

Adding to 531000304 its reverse (403000135), we get a palindrome (934000439).

The spelling of 531000304 in words is "five hundred thirty-one million, three hundred four", and thus it is an aban number.