402314317 has 2 divisors, whose sum is σ = 402314318. Its totient is φ = 402314316.

The previous prime is 402314291. The next prime is 402314347. The reversal of 402314317 is 713413204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401160841 + 1153476 = 20029^2 + 1074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402314317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402314291 and 402314300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402314347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201157158 + 201157159.

It is an arithmetic number, because the mean of its divisors is an integer number (201157159).

Almost surely, 2^402314317 is an apocalyptic number.

It is an amenable number.

402314317 is a deficient number, since it is larger than the sum of its proper divisors (1).

402314317 is an equidigital number, since it uses as much as digits as its factorization.

402314317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 402314317 is about 20057.7744777430. The cubic root of 402314317 is about 738.2245707485.

The spelling of 402314317 in words is "four hundred two million, three hundred fourteen thousand, three hundred seventeen".