7115279 has 2 divisors, whose sum is σ = 7115280. Its totient is φ = 7115278.

The previous prime is 7115249. The next prime is 7115281. The reversal of 7115279 is 9725117.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7115279 is a prime.

Together with 7115281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7115209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557639 + 3557640.

It is an arithmetic number, because the mean of its divisors is an integer number (3557640).

Almost surely, 2^7115279 is an apocalyptic number.

7115279 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115279 is an equidigital number, since it uses as much as digits as its factorization.

7115279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 7115279 is about 2667.4480313588. The cubic root of 7115279 is about 192.3375049698.

The spelling of 7115279 in words is "seven million, one hundred fifteen thousand, two hundred seventy-nine".