304540933 has 2 divisors, whose sum is σ = 304540934. Its totient is φ = 304540932.

The previous prime is 304540897. The next prime is 304540967. The reversal of 304540933 is 339045403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226713249 + 77827684 = 15057^2 + 8822^2 .

It is a cyclic number.

It is not a de Polignac number, because 304540933 - 2²⁵ = 270986501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304540895 and 304540904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304540433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152270466 + 152270467.

It is an arithmetic number, because the mean of its divisors is an integer number (152270467).

Almost surely, 2^304540933 is an apocalyptic number.

It is an amenable number.

304540933 is a deficient number, since it is larger than the sum of its proper divisors (1).

304540933 is an equidigital number, since it uses as much as digits as its factorization.

304540933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 304540933 is about 17451.1011973457. The cubic root of 304540933 is about 672.7936615884.

The spelling of 304540933 in words is "three hundred four million, five hundred forty thousand, nine hundred thirty-three".