316560427 has 2 divisors, whose sum is σ = 316560428. Its totient is φ = 316560426.

The previous prime is 316560421. The next prime is 316560443. The reversal of 316560427 is 724065613.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316560427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316560392 and 316560401.

It is not a weakly prime, because it can be changed into another prime (316560421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158280213 + 158280214.

It is an arithmetic number, because the mean of its divisors is an integer number (158280214).

Almost surely, 2^316560427 is an apocalyptic number.

316560427 is a deficient number, since it is larger than the sum of its proper divisors (1).

316560427 is an equidigital number, since it uses as much as digits as its factorization.

316560427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 316560427 is about 17792.1450927087. The cubic root of 316560427 is about 681.5308841231.

The spelling of 316560427 in words is "three hundred sixteen million, five hundred sixty thousand, four hundred twenty-seven".