304867249 has 2 divisors, whose sum is σ = 304867250. Its totient is φ = 304867248.

The previous prime is 304867243. The next prime is 304867259. The reversal of 304867249 is 942768403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212226624 + 92640625 = 14568^2 + 9625^2 .

It is a cyclic number.

It is not a de Polignac number, because 304867249 - 2²⁵ = 271312817 is a prime.

It is not a weakly prime, because it can be changed into another prime (304867243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152433624 + 152433625.

It is an arithmetic number, because the mean of its divisors is an integer number (152433625).

Almost surely, 2^304867249 is an apocalyptic number.

It is an amenable number.

304867249 is a deficient number, since it is larger than the sum of its proper divisors (1).

304867249 is an equidigital number, since it uses as much as digits as its factorization.

304867249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 304867249 is about 17460.4481328516. The cubic root of 304867249 is about 673.0338755692.

The spelling of 304867249 in words is "three hundred four million, eight hundred sixty-seven thousand, two hundred forty-nine".