316487593 has 2 divisors, whose sum is σ = 316487594. Its totient is φ = 316487592.

The previous prime is 316487557. The next prime is 316487597. The reversal of 316487593 is 395784613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316377369 + 110224 = 17787^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 316487593 - 2⁹ = 316487081 is a prime.

It is not a weakly prime, because it can be changed into another prime (316487597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158243796 + 158243797.

It is an arithmetic number, because the mean of its divisors is an integer number (158243797).

Almost surely, 2^316487593 is an apocalyptic number.

It is an amenable number.

316487593 is a deficient number, since it is larger than the sum of its proper divisors (1).

316487593 is an equidigital number, since it uses as much as digits as its factorization.

316487593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 316487593 is about 17790.0981728601. The cubic root of 316487593 is about 681.4786113987.

The spelling of 316487593 in words is "three hundred sixteen million, four hundred eighty-seven thousand, five hundred ninety-three".