313854889 has 2 divisors, whose sum is σ = 313854890. Its totient is φ = 313854888.

The previous prime is 313854869. The next prime is 313854899. The reversal of 313854889 is 988458313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312688489 + 1166400 = 17683^2 + 1080^2 .

It is an emirp because it is prime and its reverse (988458313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313854889 - 2¹¹ = 313852841 is a prime.

It is not a weakly prime, because it can be changed into another prime (313854809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156927444 + 156927445.

It is an arithmetic number, because the mean of its divisors is an integer number (156927445).

Almost surely, 2^313854889 is an apocalyptic number.

It is an amenable number.

313854889 is a deficient number, since it is larger than the sum of its proper divisors (1).

313854889 is an equidigital number, since it uses as much as digits as its factorization.

313854889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 313854889 is about 17715.9501297560. The cubic root of 313854889 is about 679.5837194071.

The spelling of 313854889 in words is "three hundred thirteen million, eight hundred fifty-four thousand, eight hundred eighty-nine".