2402317 has 2 divisors, whose sum is σ = 2402318. Its totient is φ = 2402316.

The previous prime is 2402297. The next prime is 2402329. The reversal of 2402317 is 7132042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 2916 = 1549^2 + 54^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402317 is a prime.

It is a super-2 number, since 2×2402317² = 11542253936978, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2402294 and 2402303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2408317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201158 + 1201159.

It is an arithmetic number, because the mean of its divisors is an integer number (1201159).

2^2402317 is an apocalyptic number.

It is an amenable number.

2402317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402317 is an equidigital number, since it uses as much as digits as its factorization.

2402317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2402317 is about 1549.9409666178. The cubic root of 2402317 is about 133.9296616072.

Adding to 2402317 its reverse (7132042), we get a palindrome (9534359).

The spelling of 2402317 in words is "two million, four hundred two thousand, three hundred seventeen".