7168313 has 2 divisors, whose sum is σ = 7168314. Its totient is φ = 7168312.

The previous prime is 7168297. The next prime is 7168319. The reversal of 7168313 is 3138617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5326864 + 1841449 = 2308^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7168313 - 2⁴ = 7168297 is a prime.

It is a super-2 number, since 2×7168313² = 102769422531938, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7168319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3584156 + 3584157.

It is an arithmetic number, because the mean of its divisors is an integer number (3584157).

Almost surely, 2^7168313 is an apocalyptic number.

It is an amenable number.

7168313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7168313 is an equidigital number, since it uses as much as digits as its factorization.

7168313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 7168313 is about 2677.3705384201. The cubic root of 7168313 is about 192.8141875460.

The spelling of 7168313 in words is "seven million, one hundred sixty-eight thousand, three hundred thirteen".