315564763 has 2 divisors, whose sum is σ = 315564764. Its totient is φ = 315564762.

The previous prime is 315564751. The next prime is 315564797. The reversal of 315564763 is 367465513.

It is a weak prime.

It is an emirp because it is prime and its reverse (367465513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315564763 - 2²¹ = 313467611 is a prime.

It is a super-2 number, since 2×315564763² = 199162239294492338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315564463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157782381 + 157782382.

It is an arithmetic number, because the mean of its divisors is an integer number (157782382).

Almost surely, 2^315564763 is an apocalyptic number.

315564763 is a deficient number, since it is larger than the sum of its proper divisors (1).

315564763 is an equidigital number, since it uses as much as digits as its factorization.

315564763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 315564763 is about 17764.1426193329. The cubic root of 315564763 is about 680.8156036839.

The spelling of 315564763 in words is "three hundred fifteen million, five hundred sixty-four thousand, seven hundred sixty-three".