315784459 has 2 divisors, whose sum is σ = 315784460. Its totient is φ = 315784458.

The previous prime is 315784429. The next prime is 315784471. The reversal of 315784459 is 954487513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315784459 - 2⁹ = 315783947 is a prime.

It is not a weakly prime, because it can be changed into another prime (315784429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157892229 + 157892230.

It is an arithmetic number, because the mean of its divisors is an integer number (157892230).

Almost surely, 2^315784459 is an apocalyptic number.

315784459 is a deficient number, since it is larger than the sum of its proper divisors (1).

315784459 is an equidigital number, since it uses as much as digits as its factorization.

315784459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 315784459 is about 17770.3252361908. The cubic root of 315784459 is about 680.9735615054.

It can be divided in two parts, 3157 and 84459, that added together give a square (87616 = 296²).

The spelling of 315784459 in words is "three hundred fifteen million, seven hundred eighty-four thousand, four hundred fifty-nine".