304480531 has 2 divisors, whose sum is σ = 304480532. Its totient is φ = 304480530.

The previous prime is 304480471. The next prime is 304480537. The reversal of 304480531 is 135084403.

It is a strong prime.

It is an emirp because it is prime and its reverse (135084403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304480531 - 2⁷ = 304480403 is a prime.

It is a super-2 number, since 2×304480531² = 185416787516083922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304480531.

It is not a weakly prime, because it can be changed into another prime (304480537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152240265 + 152240266.

It is an arithmetic number, because the mean of its divisors is an integer number (152240266).

Almost surely, 2^304480531 is an apocalyptic number.

304480531 is a deficient number, since it is larger than the sum of its proper divisors (1).

304480531 is an equidigital number, since it uses as much as digits as its factorization.

304480531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 304480531 is about 17449.3705044050. The cubic root of 304480531 is about 672.7491784935.

The spelling of 304480531 in words is "three hundred four million, four hundred eighty thousand, five hundred thirty-one".