7256771 has 2 divisors, whose sum is σ = 7256772. Its totient is φ = 7256770.

The previous prime is 7256741. The next prime is 7256779. The reversal of 7256771 is 1776527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7256771 - 2²² = 3062467 is a prime.

It is not a weakly prime, because it can be changed into another prime (7256779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628385 + 3628386.

It is an arithmetic number, because the mean of its divisors is an integer number (3628386).

Almost surely, 2^7256771 is an apocalyptic number.

7256771 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256771 is an equidigital number, since it uses as much as digits as its factorization.

7256771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 35.

The square root of 7256771 is about 2693.8394532711. The cubic root of 7256771 is about 193.6040654811.

The spelling of 7256771 in words is "seven million, two hundred fifty-six thousand, seven hundred seventy-one".