314215157 has 2 divisors, whose sum is σ = 314215158. Its totient is φ = 314215156.

The previous prime is 314215133. The next prime is 314215177. The reversal of 314215157 is 751512413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271887121 + 42328036 = 16489^2 + 6506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314215157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314215127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157107578 + 157107579.

It is an arithmetic number, because the mean of its divisors is an integer number (157107579).

Almost surely, 2^314215157 is an apocalyptic number.

It is an amenable number.

314215157 is a deficient number, since it is larger than the sum of its proper divisors (1).

314215157 is an equidigital number, since it uses as much as digits as its factorization.

314215157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 314215157 is about 17726.1151130190. The cubic root of 314215157 is about 679.8436470109.

The spelling of 314215157 in words is "three hundred fourteen million, two hundred fifteen thousand, one hundred fifty-seven".