7115965 has 4 divisors (see below), whose sum is σ = 8539164. Its totient is φ = 5692768.

The previous prime is 7115963. The next prime is 7115971. The reversal of 7115965 is 5695117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5695117 = 19 ⋅299743.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 3250809 = 1966^2 + 1803^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115965 - 2¹ = 7115963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7115965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711592 + ... + 711601.

It is an arithmetic number, because the mean of its divisors is an integer number (2134791).

Almost surely, 2^7115965 is an apocalyptic number.

It is an amenable number.

7115965 is a deficient number, since it is larger than the sum of its proper divisors (1423199).

7115965 is a wasteful number, since it uses less digits than its factorization.

7115965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423198.

The product of its digits is 9450, while the sum is 34.

The square root of 7115965 is about 2667.5766155820. The cubic root of 7115965 is about 192.3436860012.

The spelling of 7115965 in words is "seven million, one hundred fifteen thousand, nine hundred sixty-five".