2718319 has 2 divisors, whose sum is σ = 2718320. Its totient is φ = 2718318.

The previous prime is 2718299. The next prime is 2718329. The reversal of 2718319 is 9138172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2718319 is a prime.

It is a super-2 number, since 2×2718319² = 14778516371522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2718329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359159 + 1359160.

It is an arithmetic number, because the mean of its divisors is an integer number (1359160).

2^2718319 is an apocalyptic number.

2718319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2718319 is an equidigital number, since it uses as much as digits as its factorization.

2718319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 2718319 is about 1648.7325435012. The cubic root of 2718319 is about 139.5618786559.

The spelling of 2718319 in words is "two million, seven hundred eighteen thousand, three hundred nineteen".