314245381 has 2 divisors, whose sum is σ = 314245382. Its totient is φ = 314245380.

The previous prime is 314245339. The next prime is 314245397. The reversal of 314245381 is 183542413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169885156 + 144360225 = 13034^2 + 12015^2 .

It is a cyclic number.

It is not a de Polignac number, because 314245381 - 2²¹ = 312148229 is a prime.

It is a super-2 number, since 2×314245381² = 197500318959670322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314245301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157122690 + 157122691.

It is an arithmetic number, because the mean of its divisors is an integer number (157122691).

Almost surely, 2^314245381 is an apocalyptic number.

It is an amenable number.

314245381 is a deficient number, since it is larger than the sum of its proper divisors (1).

314245381 is an equidigital number, since it uses as much as digits as its factorization.

314245381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 314245381 is about 17726.9676199851. The cubic root of 314245381 is about 679.8654441087.

Adding to 314245381 its reverse (183542413), we get a palindrome (497787794).

The spelling of 314245381 in words is "three hundred fourteen million, two hundred forty-five thousand, three hundred eighty-one".