315564747 has 8 divisors (see below), whose sum is σ = 435261840. Its totient is φ = 203122080.

The previous prime is 315564737. The next prime is 315564751. The reversal of 315564747 is 747465513.

It is a happy number.

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

It is not a de Polignac number, because 315564747 - 2²⁰ = 314516171 is a prime.

It is a super-2 number, since 2×315564747² = 199162219098348018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 315564699 and 315564708.

It is not an unprimeable number, because it can be changed into a prime (315564737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813504 + ... + 1813677.

It is an arithmetic number, because the mean of its divisors is an integer number (54407730).

Almost surely, 2^315564747 is an apocalyptic number.

315564747 is a deficient number, since it is larger than the sum of its proper divisors (119697093).

315564747 is a wasteful number, since it uses less digits than its factorization.

315564747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627213.

The product of its digits is 352800, while the sum is 42.

The square root of 315564747 is about 17764.1421689875. The cubic root of 315564747 is about 680.8155921775.

The spelling of 315564747 in words is "three hundred fifteen million, five hundred sixty-four thousand, seven hundred forty-seven".