316645705 has 12 divisors (see below), whose sum is σ = 381966660. Its totient is φ = 251995424.

The previous prime is 316645699. The next prime is 316645717. The reversal of 316645705 is 507546613.

It can be written as a sum of positive squares in 2 ways, for example, as 238270096 + 78375609 = 15436^2 + 8853^2 .

It is not a de Polignac number, because 316645705 - 2⁵ = 316645673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257031 + ... + 258259.

It is an arithmetic number, because the mean of its divisors is an integer number (31830555).

Almost surely, 2^316645705 is an apocalyptic number.

It is an amenable number.

316645705 is a deficient number, since it is larger than the sum of its proper divisors (65320955).

316645705 is an equidigital number, since it uses as much as digits as its factorization.

316645705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 316645705 is about 17794.5414383175. The cubic root of 316645705 is about 681.5920776769.

The spelling of 316645705 in words is "three hundred sixteen million, six hundred forty-five thousand, seven hundred five".