7081115 has 4 divisors (see below), whose sum is σ = 8497344. Its totient is φ = 5664888.

The previous prime is 7081099. The next prime is 7081117. The reversal of 7081115 is 5111807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7081115 - 2⁴ = 7081099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7081117) 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 in 3 ways as a sum of consecutive naturals, for example, 708107 + ... + 708116.

It is an arithmetic number, because the mean of its divisors is an integer number (2124336).

Almost surely, 2^7081115 is an apocalyptic number.

7081115 is a deficient number, since it is larger than the sum of its proper divisors (1416229).

7081115 is a wasteful number, since it uses less digits than its factorization.

7081115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416228.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 7081115 is about 2661.0364522118. The cubic root of 7081115 is about 192.0291748924.

The spelling of 7081115 in words is "seven million, eighty-one thousand, one hundred fifteen".