315928547 has 4 divisors (see below), whose sum is σ = 344649336. Its totient is φ = 287207760.

The previous prime is 315928541. The next prime is 315928559. The reversal of 315928547 is 745829513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315928547 - 2⁴ = 315928531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315928498 and 315928507.

It is not an unprimeable number, because it can be changed into a prime (315928541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14360378 + ... + 14360399.

It is an arithmetic number, because the mean of its divisors is an integer number (86162334).

Almost surely, 2^315928547 is an apocalyptic number.

315928547 is a deficient number, since it is larger than the sum of its proper divisors (28720789).

315928547 is a wasteful number, since it uses less digits than its factorization.

315928547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720788.

The product of its digits is 302400, while the sum is 44.

The square root of 315928547 is about 17774.3789483627. The cubic root of 315928547 is about 681.0771186374.

The spelling of 315928547 in words is "three hundred fifteen million, nine hundred twenty-eight thousand, five hundred forty-seven".