314443973 has 2 divisors, whose sum is σ = 314443974. Its totient is φ = 314443972.

The previous prime is 314443957. The next prime is 314443979. The reversal of 314443973 is 379344413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239413729 + 75030244 = 15473^2 + 8662^2 .

It is a cyclic number.

It is not a de Polignac number, because 314443973 - 2⁴ = 314443957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314443979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157221986 + 157221987.

It is an arithmetic number, because the mean of its divisors is an integer number (157221987).

Almost surely, 2^314443973 is an apocalyptic number.

It is an amenable number.

314443973 is a deficient number, since it is larger than the sum of its proper divisors (1).

314443973 is an equidigital number, since it uses as much as digits as its factorization.

314443973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 314443973 is about 17732.5681445187. The cubic root of 314443973 is about 680.0086309458.

The spelling of 314443973 in words is "three hundred fourteen million, four hundred forty-three thousand, nine hundred seventy-three".