309474059 has 2 divisors, whose sum is σ = 309474060. Its totient is φ = 309474058.

The previous prime is 309474037. The next prime is 309474073. The reversal of 309474059 is 950474903.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 309474059 - 2¹⁶ = 309408523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (309474029) 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, 154737029 + 154737030.

It is an arithmetic number, because the mean of its divisors is an integer number (154737030).

Almost surely, 2^309474059 is an apocalyptic number.

309474059 is a deficient number, since it is larger than the sum of its proper divisors (1).

309474059 is an equidigital number, since it uses as much as digits as its factorization.

309474059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 309474059 is about 17591.8748006004. The cubic root of 309474059 is about 676.4069849192.

The spelling of 309474059 in words is "three hundred nine million, four hundred seventy-four thousand, fifty-nine".