6256769 has 2 divisors, whose sum is σ = 6256770. Its totient is φ = 6256768.

The previous prime is 6256753. The next prime is 6256771. The reversal of 6256769 is 9676526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4566769 + 1690000 = 2137^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256769 - 2⁴ = 6256753 is a prime.

It is a super-2 number, since 2×6256769² = 78294316638722, which contains 22 as substring.

Together with 6256771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6256729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128384 + 3128385.

It is an arithmetic number, because the mean of its divisors is an integer number (3128385).

Almost surely, 2^6256769 is an apocalyptic number.

It is an amenable number.

6256769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256769 is an equidigital number, since it uses as much as digits as its factorization.

6256769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 6256769 is about 2501.3534336435. The cubic root of 6256769 is about 184.2680501639.

The spelling of 6256769 in words is "six million, two hundred fifty-six thousand, seven hundred sixty-nine".