6256277561 has 16 divisors (see below), whose sum is σ = 6637498560. Its totient is φ = 5886726720.

The previous prime is 6256277557. The next prime is 6256277597. The reversal of 6256277561 is 1657726526.

It is a cyclic number.

It is not a de Polignac number, because 6256277561 - 2² = 6256277557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6256277501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569426 + ... + 580308.

It is an arithmetic number, because the mean of its divisors is an integer number (414843660).

Almost surely, 2^6256277561 is an apocalyptic number.

It is an amenable number.

6256277561 is a deficient number, since it is larger than the sum of its proper divisors (381220999).

6256277561 is a wasteful number, since it uses less digits than its factorization.

6256277561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416.

The product of its digits is 1058400, while the sum is 47.

The square root of 6256277561 is about 79096.6343215690. The cubic root of 6256277561 is about 1842.6322558234.

The spelling of 6256277561 in words is "six billion, two hundred fifty-six million, two hundred seventy-seven thousand, five hundred sixty-one".