315739497 has 16 divisors (see below), whose sum is σ = 438913728. Its totient is φ = 201714240.

The previous prime is 315739481. The next prime is 315739499. The reversal of 315739497 is 794937513.

It is a happy number.

It is not a de Polignac number, because 315739497 - 2⁴ = 315739481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315739499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16254 + ... + 29927.

It is an arithmetic number, because the mean of its divisors is an integer number (27432108).

Almost surely, 2^315739497 is an apocalyptic number.

It is an amenable number.

315739497 is a deficient number, since it is larger than the sum of its proper divisors (123174231).

315739497 is a wasteful number, since it uses less digits than its factorization.

315739497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46280.

The product of its digits is 714420, while the sum is 48.

The square root of 315739497 is about 17769.0601045750. The cubic root of 315739497 is about 680.9412405286.

The spelling of 315739497 in words is "three hundred fifteen million, seven hundred thirty-nine thousand, four hundred ninety-seven".