314204021 has 2 divisors, whose sum is σ = 314204022. Its totient is φ = 314204020.

The previous prime is 314203997. The next prime is 314204029. The reversal of 314204021 is 120402413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174609796 + 139594225 = 13214^2 + 11815^2 .

It is a cyclic number.

It is not a de Polignac number, because 314204021 - 2⁶ = 314203957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314204029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157102010 + 157102011.

It is an arithmetic number, because the mean of its divisors is an integer number (157102011).

Almost surely, 2^314204021 is an apocalyptic number.

It is an amenable number.

314204021 is a deficient number, since it is larger than the sum of its proper divisors (1).

314204021 is an equidigital number, since it uses as much as digits as its factorization.

314204021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 314204021 is about 17725.8009974162. The cubic root of 314204021 is about 679.8356155414.

Adding to 314204021 its reverse (120402413), we get a palindrome (434606434).

The spelling of 314204021 in words is "three hundred fourteen million, two hundred four thousand, twenty-one".