6256281577541 has 2 divisors, whose sum is σ = 6256281577542. Its totient is φ = 6256281577540.

The previous prime is 6256281577493. The next prime is 6256281577547. The reversal of 6256281577541 is 1457751826526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6228343792225 + 27937785316 = 2495665^2 + 167146^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256281577541 - 2⁴² = 1858235066437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6256281577547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128140788770 + 3128140788771.

It is an arithmetic number, because the mean of its divisors is an integer number (3128140788771).

Almost surely, 2^{6256281577541} is an apocalyptic number.

It is an amenable number.

6256281577541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256281577541 is an equidigital number, since it uses as much as digits as its factorization.

6256281577541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224000, while the sum is 59.

The spelling of 6256281577541 in words is "six trillion, two hundred fifty-six billion, two hundred eighty-one million, five hundred seventy-seven thousand, five hundred forty-one".