314878561 has 2 divisors, whose sum is σ = 314878562. Its totient is φ = 314878560.

The previous prime is 314878537. The next prime is 314878601. The reversal of 314878561 is 165878413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259822161 + 55056400 = 16119^2 + 7420^2 .

It is a cyclic number.

It is not a de Polignac number, because 314878561 - 2²⁵ = 281324129 is a prime.

It is not a weakly prime, because it can be changed into another prime (314878661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157439280 + 157439281.

It is an arithmetic number, because the mean of its divisors is an integer number (157439281).

Almost surely, 2^314878561 is an apocalyptic number.

It is an amenable number.

314878561 is a deficient number, since it is larger than the sum of its proper divisors (1).

314878561 is an equidigital number, since it uses as much as digits as its factorization.

314878561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 314878561 is about 17744.8178632524. The cubic root of 314878561 is about 680.3217630929.

The spelling of 314878561 in words is "three hundred fourteen million, eight hundred seventy-eight thousand, five hundred sixty-one".