314318581 has 2 divisors, whose sum is σ = 314318582. Its totient is φ = 314318580.

The previous prime is 314318551. The next prime is 314318591. The reversal of 314318581 is 185813413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194853681 + 119464900 = 13959^2 + 10930^2 .

It is a cyclic number.

It is not a de Polignac number, because 314318581 - 2¹⁹ = 313794293 is a prime.

It is a super-2 number, since 2×314318581² = 197592340723707122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314318531) 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, 157159290 + 157159291.

It is an arithmetic number, because the mean of its divisors is an integer number (157159291).

Almost surely, 2^314318581 is an apocalyptic number.

It is an amenable number.

314318581 is a deficient number, since it is larger than the sum of its proper divisors (1).

314318581 is an equidigital number, since it uses as much as digits as its factorization.

314318581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 314318581 is about 17729.0321506844. The cubic root of 314318581 is about 679.9182290658.

The spelling of 314318581 in words is "three hundred fourteen million, three hundred eighteen thousand, five hundred eighty-one".