314440237 has 2 divisors, whose sum is σ = 314440238. Its totient is φ = 314440236.

The previous prime is 314440229. The next prime is 314440249. The reversal of 314440237 is 732044413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268009641 + 46430596 = 16371^2 + 6814^2 .

It is an emirp because it is prime and its reverse (732044413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314440237 - 2³ = 314440229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314440297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157220118 + 157220119.

It is an arithmetic number, because the mean of its divisors is an integer number (157220119).

Almost surely, 2^314440237 is an apocalyptic number.

It is an amenable number.

314440237 is a deficient number, since it is larger than the sum of its proper divisors (1).

314440237 is an equidigital number, since it uses as much as digits as its factorization.

314440237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 314440237 is about 17732.4628013144. The cubic root of 314440237 is about 680.0059378086.

The spelling of 314440237 in words is "three hundred fourteen million, four hundred forty thousand, two hundred thirty-seven".