2056541761 has 2 divisors, whose sum is σ = 2056541762. Its totient is φ = 2056541760.

The previous prime is 2056541749. The next prime is 2056541791. The reversal of 2056541761 is 1671456502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1340658225 + 715883536 = 36615^2 + 26756^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056541761 - 2⁷ = 2056541633 is a prime.

It is a super-2 number, since 2×2056541761² = 8458728029473962242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056541761.

It is not a weakly prime, because it can be changed into another prime (2056541791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028270880 + 1028270881.

It is an arithmetic number, because the mean of its divisors is an integer number (1028270881).

Almost surely, 2^2056541761 is an apocalyptic number.

It is an amenable number.

2056541761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056541761 is an equidigital number, since it uses as much as digits as its factorization.

2056541761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2056541761 is about 45349.1098148574. The cubic root of 2056541761 is about 1271.6839135971.

It can be divided in two parts, 20565 and 41761, that added together give a palindrome (62326).

The spelling of 2056541761 in words is "two billion, fifty-six million, five hundred forty-one thousand, seven hundred sixty-one".