316665253 has 2 divisors, whose sum is σ = 316665254. Its totient is φ = 316665252.

The previous prime is 316665241. The next prime is 316665257. The reversal of 316665253 is 352566613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278990209 + 37675044 = 16703^2 + 6138^2 .

It is a cyclic number.

It is not a de Polignac number, because 316665253 - 2⁵ = 316665221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316665257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158332626 + 158332627.

It is an arithmetic number, because the mean of its divisors is an integer number (158332627).

Almost surely, 2^316665253 is an apocalyptic number.

It is an amenable number.

316665253 is a deficient number, since it is larger than the sum of its proper divisors (1).

316665253 is an equidigital number, since it uses as much as digits as its factorization.

316665253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 316665253 is about 17795.0906994036. The cubic root of 316665253 is about 681.6061033293.

The spelling of 316665253 in words is "three hundred sixteen million, six hundred sixty-five thousand, two hundred fifty-three".