7256113 has 2 divisors, whose sum is σ = 7256114. Its totient is φ = 7256112.

The previous prime is 7256111. The next prime is 7256141. The reversal of 7256113 is 3116527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4875264 + 2380849 = 2208^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 7256113 - 2¹ = 7256111 is a prime.

Together with 7256111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7256111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628056 + 3628057.

It is an arithmetic number, because the mean of its divisors is an integer number (3628057).

Almost surely, 2^7256113 is an apocalyptic number.

It is an amenable number.

7256113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256113 is an equidigital number, since it uses as much as digits as its factorization.

7256113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 7256113 is about 2693.7173199874. The cubic root of 7256113 is about 193.5982136899.

The spelling of 7256113 in words is "seven million, two hundred fifty-six thousand, one hundred thirteen".