6256374161 has 2 divisors, whose sum is σ = 6256374162. Its totient is φ = 6256374160.

The previous prime is 6256374127. The next prime is 6256374181. The reversal of 6256374161 is 1614736526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6090865936 + 165508225 = 78044^2 + 12865^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256374161 - 2²⁶ = 6189265297 is a prime.

It is not a weakly prime, because it can be changed into another prime (6256374181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128187080 + 3128187081.

It is an arithmetic number, because the mean of its divisors is an integer number (3128187081).

Almost surely, 2^6256374161 is an apocalyptic number.

It is an amenable number.

6256374161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256374161 is an equidigital number, since it uses as much as digits as its factorization.

6256374161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 6256374161 is about 79097.2449646636. The cubic root of 6256374161 is about 1842.6417394905.

The spelling of 6256374161 in words is "six billion, two hundred fifty-six million, three hundred seventy-four thousand, one hundred sixty-one".