304672631 has 2 divisors, whose sum is σ = 304672632. Its totient is φ = 304672630.

The previous prime is 304672603. The next prime is 304672649. The reversal of 304672631 is 136276403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304672631 - 2¹⁰ = 304671607 is a prime.

It is a super-2 number, since 2×304672631² = 185650824160924322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304672531) by changing a digit.

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 as a sum of consecutive naturals, namely, 152336315 + 152336316.

It is an arithmetic number, because the mean of its divisors is an integer number (152336316).

Almost surely, 2^304672631 is an apocalyptic number.

304672631 is a deficient number, since it is larger than the sum of its proper divisors (1).

304672631 is an equidigital number, since it uses as much as digits as its factorization.

304672631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 304672631 is about 17454.8741330323. The cubic root of 304672631 is about 672.8906302832.

The spelling of 304672631 in words is "three hundred four million, six hundred seventy-two thousand, six hundred thirty-one".