315189663 has 4 divisors (see below), whose sum is σ = 420252888. Its totient is φ = 210126440.

The previous prime is 315189659. The next prime is 315189703. The reversal of 315189663 is 366981513.

It is a happy number.

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 315189663 - 2² = 315189659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315189653) 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, 52531608 + ... + 52531613.

It is an arithmetic number, because the mean of its divisors is an integer number (105063222).

Almost surely, 2^315189663 is an apocalyptic number.

315189663 is a deficient number, since it is larger than the sum of its proper divisors (105063225).

315189663 is a wasteful number, since it uses less digits than its factorization.

315189663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105063224.

The product of its digits is 116640, while the sum is 42.

The square root of 315189663 is about 17753.5816949707. The cubic root of 315189663 is about 680.5457434056.

The spelling of 315189663 in words is "three hundred fifteen million, one hundred eighty-nine thousand, six hundred sixty-three".