314664881 has 2 divisors, whose sum is σ = 314664882. Its totient is φ = 314664880.

The previous prime is 314664853. The next prime is 314664887. The reversal of 314664881 is 188466413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218448400 + 96216481 = 14780^2 + 9809^2 .

It is a cyclic number.

It is not a de Polignac number, because 314664881 - 2²⁶ = 247556017 is a prime.

It is a super-2 number, since 2×314664881² = 198027974669488322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314664887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157332440 + 157332441.

It is an arithmetic number, because the mean of its divisors is an integer number (157332441).

Almost surely, 2^314664881 is an apocalyptic number.

It is an amenable number.

314664881 is a deficient number, since it is larger than the sum of its proper divisors (1).

314664881 is an equidigital number, since it uses as much as digits as its factorization.

314664881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 314664881 is about 17738.7959286982. The cubic root of 314664881 is about 680.1678370314.

The spelling of 314664881 in words is "three hundred fourteen million, six hundred sixty-four thousand, eight hundred eighty-one".