314442397 has 2 divisors, whose sum is σ = 314442398. Its totient is φ = 314442396.

The previous prime is 314442383. The next prime is 314442409. The reversal of 314442397 is 793244413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227225476 + 87216921 = 15074^2 + 9339^2 .

It is a cyclic number.

It is not a de Polignac number, because 314442397 - 2¹⁵ = 314409629 is a prime.

It is a super-2 number, since 2×314442397² = 197748042062211218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314442347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157221198 + 157221199.

It is an arithmetic number, because the mean of its divisors is an integer number (157221199).

Almost surely, 2^314442397 is an apocalyptic number.

It is an amenable number.

314442397 is a deficient number, since it is larger than the sum of its proper divisors (1).

314442397 is an equidigital number, since it uses as much as digits as its factorization.

314442397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 314442397 is about 17732.5237064553. The cubic root of 314442397 is about 680.0074948713.

The spelling of 314442397 in words is "three hundred fourteen million, four hundred forty-two thousand, three hundred ninety-seven".