313462661 has 2 divisors, whose sum is σ = 313462662. Its totient is φ = 313462660.

The previous prime is 313462637. The next prime is 313462727. The reversal of 313462661 is 166264313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294808900 + 18653761 = 17170^2 + 4319^2 .

It is an emirp because it is prime and its reverse (166264313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313462661 - 2¹⁰ = 313461637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313465661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156731330 + 156731331.

It is an arithmetic number, because the mean of its divisors is an integer number (156731331).

Almost surely, 2^313462661 is an apocalyptic number.

It is an amenable number.

313462661 is a deficient number, since it is larger than the sum of its proper divisors (1).

313462661 is an equidigital number, since it uses as much as digits as its factorization.

313462661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 313462661 is about 17704.8767575490. The cubic root of 313462661 is about 679.3005069128.

The spelling of 313462661 in words is "three hundred thirteen million, four hundred sixty-two thousand, six hundred sixty-one".