315986051 has 2 divisors, whose sum is σ = 315986052. Its totient is φ = 315986050.

The previous prime is 315986023. The next prime is 315986071. The reversal of 315986051 is 150689513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315986051 - 2¹⁸ = 315723907 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 315985996 and 315986014.

It is not a weakly prime, because it can be changed into another prime (315986071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157993025 + 157993026.

It is an arithmetic number, because the mean of its divisors is an integer number (157993026).

Almost surely, 2^315986051 is an apocalyptic number.

315986051 is a deficient number, since it is larger than the sum of its proper divisors (1).

315986051 is an equidigital number, since it uses as much as digits as its factorization.

315986051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 315986051 is about 17775.9964840231. The cubic root of 315986051 is about 681.1184384053.

The spelling of 315986051 in words is "three hundred fifteen million, nine hundred eighty-six thousand, fifty-one".