315351457 has 4 divisors (see below), whose sum is σ = 316287556. Its totient is φ = 314415360.

The previous prime is 315351451. The next prime is 315351461. The reversal of 315351457 is 754153513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754153513 = 79 ⋅9546247.

It can be written as a sum of positive squares in 2 ways, for example, as 204175521 + 111175936 = 14289^2 + 10544^2 .

It is a cyclic number.

It is not a de Polignac number, because 315351457 - 2⁷ = 315351329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315351451) 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, 467544 + ... + 468217.

It is an arithmetic number, because the mean of its divisors is an integer number (79071889).

Almost surely, 2^315351457 is an apocalyptic number.

It is an amenable number.

315351457 is a deficient number, since it is larger than the sum of its proper divisors (936099).

315351457 is an equidigital number, since it uses as much as digits as its factorization.

315351457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936098.

The product of its digits is 31500, while the sum is 34.

The square root of 315351457 is about 17758.1377683585. The cubic root of 315351457 is about 680.6621700062.

The spelling of 315351457 in words is "three hundred fifteen million, three hundred fifty-one thousand, four hundred fifty-seven".