316573261 has 2 divisors, whose sum is σ = 316573262. Its totient is φ = 316573260.

The previous prime is 316573237. The next prime is 316573273. The reversal of 316573261 is 162375613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211120900 + 105452361 = 14530^2 + 10269^2 .

It is a cyclic number.

It is not a de Polignac number, because 316573261 - 2¹⁹ = 316048973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316573561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158286630 + 158286631.

It is an arithmetic number, because the mean of its divisors is an integer number (158286631).

Almost surely, 2^316573261 is an apocalyptic number.

It is an amenable number.

316573261 is a deficient number, since it is larger than the sum of its proper divisors (1).

316573261 is an equidigital number, since it uses as much as digits as its factorization.

316573261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 316573261 is about 17792.5057538279. The cubic root of 316573261 is about 681.5400942121.

The spelling of 316573261 in words is "three hundred sixteen million, five hundred seventy-three thousand, two hundred sixty-one".