7081579 has 2 divisors, whose sum is σ = 7081580. Its totient is φ = 7081578.

The previous prime is 7081577. The next prime is 7081589. The reversal of 7081579 is 9751807.

7081579 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7081579 - 2¹ = 7081577 is a prime.

It is a super-2 number, since 2×7081579² = 100297522266482, which contains 22 as substring.

Together with 7081577, it forms a pair of twin primes.

7081579 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7081573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540789 + 3540790.

It is an arithmetic number, because the mean of its divisors is an integer number (3540790).

Almost surely, 2^7081579 is an apocalyptic number.

7081579 is a deficient number, since it is larger than the sum of its proper divisors (1).

7081579 is an equidigital number, since it uses as much as digits as its factorization.

7081579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 7081579 is about 2661.1236348580. The cubic root of 7081579 is about 192.0333691279.

The spelling of 7081579 in words is "seven million, eighty-one thousand, five hundred seventy-nine".