315404513 has 8 divisors (see below), whose sum is σ = 323344896. Its totient is φ = 307476000.

The previous prime is 315404459. The next prime is 315404533.

315404513 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315404513 - 2¹⁶ = 315338977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315404533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78020 + ... + 81962.

It is an arithmetic number, because the mean of its divisors is an integer number (40418112).

Almost surely, 2^315404513 is an apocalyptic number.

It is an amenable number.

315404513 is a deficient number, since it is larger than the sum of its proper divisors (7940383).

315404513 is a wasteful number, since it uses less digits than its factorization.

315404513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 315404513 is about 17759.6315558629. The cubic root of 315404513 is about 680.7003403145.

The spelling of 315404513 in words is "three hundred fifteen million, four hundred four thousand, five hundred thirteen".