315716773 has 2 divisors, whose sum is σ = 315716774. Its totient is φ = 315716772.

The previous prime is 315716771. The next prime is 315716777. The reversal of 315716773 is 377617513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278956804 + 36759969 = 16702^2 + 6063^2 .

It is a cyclic number.

It is not a de Polignac number, because 315716773 - 2¹ = 315716771 is a prime.

Together with 315716771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315716771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157858386 + 157858387.

It is an arithmetic number, because the mean of its divisors is an integer number (157858387).

Almost surely, 2^315716773 is an apocalyptic number.

It is an amenable number.

315716773 is a deficient number, since it is larger than the sum of its proper divisors (1).

315716773 is an equidigital number, since it uses as much as digits as its factorization.

315716773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 40.

The square root of 315716773 is about 17768.4206670148. The cubic root of 315716773 is about 680.9249041922.

The spelling of 315716773 in words is "three hundred fifteen million, seven hundred sixteen thousand, seven hundred seventy-three".