315209483 has 2 divisors, whose sum is σ = 315209484. Its totient is φ = 315209482.

The previous prime is 315209441. The next prime is 315209491. The reversal of 315209483 is 384902513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315209483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (315289483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157604741 + 157604742.

It is an arithmetic number, because the mean of its divisors is an integer number (157604742).

Almost surely, 2^315209483 is an apocalyptic number.

315209483 is a deficient number, since it is larger than the sum of its proper divisors (1).

315209483 is an equidigital number, since it uses as much as digits as its factorization.

315209483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 315209483 is about 17754.1398834187. The cubic root of 315209483 is about 680.5600079744.

The spelling of 315209483 in words is "three hundred fifteen million, two hundred nine thousand, four hundred eighty-three".