315255415 has 4 divisors (see below), whose sum is σ = 378306504. Its totient is φ = 252204328.

The previous prime is 315255383. The next prime is 315255427. The reversal of 315255415 is 514552513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514552513 = 22303 ⋅23071.

It is a cyclic number.

It is not a de Polignac number, because 315255415 - 2⁵ = 315255383 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31525537 + ... + 31525546.

It is an arithmetic number, because the mean of its divisors is an integer number (94576626).

Almost surely, 2^315255415 is an apocalyptic number.

315255415 is a deficient number, since it is larger than the sum of its proper divisors (63051089).

315255415 is an equidigital number, since it uses as much as digits as its factorization.

315255415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63051088.

The product of its digits is 15000, while the sum is 31.

The square root of 315255415 is about 17755.4333937530. The cubic root of 315255415 is about 680.5930632025.

The spelling of 315255415 in words is "three hundred fifteen million, two hundred fifty-five thousand, four hundred fifteen".