305038469 has 2 divisors, whose sum is σ = 305038470. Its totient is φ = 305038468.

The previous prime is 305038451. The next prime is 305038499. The reversal of 305038469 is 964830503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223353025 + 81685444 = 14945^2 + 9038^2 .

It is a cyclic number.

It is not a de Polignac number, because 305038469 - 2²⁰ = 303989893 is a prime.

It is a super-2 number, since 2×305038469² = 186096935139727922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305038499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152519234 + 152519235.

It is an arithmetic number, because the mean of its divisors is an integer number (152519235).

Almost surely, 2^305038469 is an apocalyptic number.

It is an amenable number.

305038469 is a deficient number, since it is larger than the sum of its proper divisors (1).

305038469 is an equidigital number, since it uses as much as digits as its factorization.

305038469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 305038469 is about 17465.3505261131. The cubic root of 305038469 is about 673.1598487527.

The spelling of 305038469 in words is "three hundred five million, thirty-eight thousand, four hundred sixty-nine".