7956513 has 6 divisors (see below), whose sum is σ = 11492754. Its totient is φ = 5304336.

The previous prime is 7956503. The next prime is 7956521. The reversal of 7956513 is 3156597.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 1361889 = 2568^2 + 1167^2 .

It is not a de Polignac number, because 7956513 - 2¹⁰ = 7955489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7956503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442020 + ... + 442037.

It is an arithmetic number, because the mean of its divisors is an integer number (1915459).

Almost surely, 2^7956513 is an apocalyptic number.

It is an amenable number.

7956513 is a deficient number, since it is larger than the sum of its proper divisors (3536241).

7956513 is a wasteful number, since it uses less digits than its factorization.

7956513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884063 (or 884060 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 7956513 is about 2820.7291610504. The cubic root of 7956513 is about 199.6369497045.

The spelling of 7956513 in words is "seven million, nine hundred fifty-six thousand, five hundred thirteen".