315403373 has 2 divisors, whose sum is σ = 315403374. Its totient is φ = 315403372.

The previous prime is 315403369. The next prime is 315403379. The reversal of 315403373 is 373304513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306180004 + 9223369 = 17498^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 315403373 - 2² = 315403369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315403379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157701686 + 157701687.

It is an arithmetic number, because the mean of its divisors is an integer number (157701687).

Almost surely, 2^315403373 is an apocalyptic number.

It is an amenable number.

315403373 is a deficient number, since it is larger than the sum of its proper divisors (1).

315403373 is an equidigital number, since it uses as much as digits as its factorization.

315403373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 315403373 is about 17759.5994605734. The cubic root of 315403373 is about 680.6995202044.

Adding to 315403373 its reverse (373304513), we get a palindrome (688707886).

The spelling of 315403373 in words is "three hundred fifteen million, four hundred three thousand, three hundred seventy-three".