315273899 has 2 divisors, whose sum is σ = 315273900. Its totient is φ = 315273898.

The previous prime is 315273883. The next prime is 315273913. The reversal of 315273899 is 998372513.

It is a strong prime.

It is an emirp because it is prime and its reverse (998372513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315273899 - 2⁴ = 315273883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315273809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157636949 + 157636950.

It is an arithmetic number, because the mean of its divisors is an integer number (157636950).

Almost surely, 2^315273899 is an apocalyptic number.

315273899 is a deficient number, since it is larger than the sum of its proper divisors (1).

315273899 is an equidigital number, since it uses as much as digits as its factorization.

315273899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 315273899 is about 17755.9539028462. The cubic root of 315273899 is about 680.6063644134.

The spelling of 315273899 in words is "three hundred fifteen million, two hundred seventy-three thousand, eight hundred ninety-nine".