315694061 has 2 divisors, whose sum is σ = 315694062. Its totient is φ = 315694060.

The previous prime is 315694037. The next prime is 315694079. The reversal of 315694061 is 160496513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243953161 + 71740900 = 15619^2 + 8470^2 .

It is a cyclic number.

It is not a de Polignac number, because 315694061 - 2⁶ = 315693997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315694031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157847030 + 157847031.

It is an arithmetic number, because the mean of its divisors is an integer number (157847031).

Almost surely, 2^315694061 is an apocalyptic number.

It is an amenable number.

315694061 is a deficient number, since it is larger than the sum of its proper divisors (1).

315694061 is an equidigital number, since it uses as much as digits as its factorization.

315694061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 315694061 is about 17767.7815441321. The cubic root of 315694061 is about 680.9085756992.

The spelling of 315694061 in words is "three hundred fifteen million, six hundred ninety-four thousand, sixty-one".