315464791 has 4 divisors (see below), whose sum is σ = 315562392. Its totient is φ = 315367192.

The previous prime is 315464789. The next prime is 315464797. The reversal of 315464791 is 197464513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197464513 = 31 ⋅6369823.

It is a cyclic number.

It is not a de Polignac number, because 315464791 - 2¹ = 315464789 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (315464797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43780 + ... + 50473.

It is an arithmetic number, because the mean of its divisors is an integer number (78890598).

Almost surely, 2^315464791 is an apocalyptic number.

315464791 is a deficient number, since it is larger than the sum of its proper divisors (97601).

315464791 is an equidigital number, since it uses as much as digits as its factorization.

315464791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97600.

The product of its digits is 90720, while the sum is 40.

The square root of 315464791 is about 17761.3285257607. The cubic root of 315464791 is about 680.7437011838.

The spelling of 315464791 in words is "three hundred fifteen million, four hundred sixty-four thousand, seven hundred ninety-one".