2321317 has 2 divisors, whose sum is σ = 2321318. Its totient is φ = 2321316.

The previous prime is 2321309. The next prime is 2321329. The reversal of 2321317 is 7131232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 1069156 = 1119^2 + 1034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321317 - 2³ = 2321309 is a prime.

It is a super-2 number, since 2×2321317² = 10777025228978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321294 and 2321303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160658 + 1160659.

It is an arithmetic number, because the mean of its divisors is an integer number (1160659).

2^2321317 is an apocalyptic number.

It is an amenable number.

2321317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321317 is an equidigital number, since it uses as much as digits as its factorization.

2321317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 2321317 is about 1523.5868862654. The cubic root of 2321317 is about 132.4071641143.

Adding to 2321317 its reverse (7131232), we get a palindrome (9452549).

The spelling of 2321317 in words is "two million, three hundred twenty-one thousand, three hundred seventeen".