314305421 has 2 divisors, whose sum is σ = 314305422. Its totient is φ = 314305420.

The previous prime is 314305379. The next prime is 314305471. The reversal of 314305421 is 124503413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199515625 + 114789796 = 14125^2 + 10714^2 .

It is a cyclic number.

It is not a de Polignac number, because 314305421 - 2⁶ = 314305357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314305471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157152710 + 157152711.

It is an arithmetic number, because the mean of its divisors is an integer number (157152711).

Almost surely, 2^314305421 is an apocalyptic number.

It is an amenable number.

314305421 is a deficient number, since it is larger than the sum of its proper divisors (1).

314305421 is an equidigital number, since it uses as much as digits as its factorization.

314305421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 314305421 is about 17728.6610041481. The cubic root of 314305421 is about 679.9087399155.

Adding to 314305421 its reverse (124503413), we get a palindrome (438808834).

The spelling of 314305421 in words is "three hundred fourteen million, three hundred five thousand, four hundred twenty-one".