313766641 has 2 divisors, whose sum is σ = 313766642. Its totient is φ = 313766640.

The previous prime is 313766617. The next prime is 313766647. The reversal of 313766641 is 146667313.

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., 194323600 + 119443041 = 13940^2 + 10929^2 .

It is a cyclic number.

It is not a de Polignac number, because 313766641 - 2²¹ = 311669489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313766641.

It is not a weakly prime, because it can be changed into another prime (313766647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156883320 + 156883321.

It is an arithmetic number, because the mean of its divisors is an integer number (156883321).

Almost surely, 2^313766641 is an apocalyptic number.

It is an amenable number.

313766641 is a deficient number, since it is larger than the sum of its proper divisors (1).

313766641 is an equidigital number, since it uses as much as digits as its factorization.

313766641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 313766641 is about 17713.4593177053. The cubic root of 313766641 is about 679.5200195595.

The spelling of 313766641 in words is "three hundred thirteen million, seven hundred sixty-six thousand, six hundred forty-one".