314306521 has 2 divisors, whose sum is σ = 314306522. Its totient is φ = 314306520.

The previous prime is 314306513. The next prime is 314306539. The reversal of 314306521 is 125603413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173290896 + 141015625 = 13164^2 + 11875^2 .

It is a cyclic number.

It is not a de Polignac number, because 314306521 - 2³ = 314306513 is a prime.

It is not a weakly prime, because it can be changed into another prime (314306501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157153260 + 157153261.

It is an arithmetic number, because the mean of its divisors is an integer number (157153261).

Almost surely, 2^314306521 is an apocalyptic number.

It is an amenable number.

314306521 is a deficient number, since it is larger than the sum of its proper divisors (1).

314306521 is an equidigital number, since it uses as much as digits as its factorization.

314306521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 314306521 is about 17728.6920273324. The cubic root of 314306521 is about 679.9095330917.

Adding to 314306521 its reverse (125603413), we get a palindrome (439909934).

The spelling of 314306521 in words is "three hundred fourteen million, three hundred six thousand, five hundred twenty-one".