315565027 has 4 divisors (see below), whose sum is σ = 325744576. Its totient is φ = 305385480.

The previous prime is 315565013. The next prime is 315565031. The reversal of 315565027 is 720565513.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315565027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315564983 and 315565001.

It is not an unprimeable number, because it can be changed into a prime (315505027) 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, 5089728 + ... + 5089789.

It is an arithmetic number, because the mean of its divisors is an integer number (81436144).

Almost surely, 2^315565027 is an apocalyptic number.

315565027 is a deficient number, since it is larger than the sum of its proper divisors (10179549).

315565027 is a wasteful number, since it uses less digits than its factorization.

315565027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179548.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 315565027 is about 17764.1500500305. The cubic root of 315565027 is about 680.8157935396.

The spelling of 315565027 in words is "three hundred fifteen million, five hundred sixty-five thousand, twenty-seven".