2082180481 has 2 divisors, whose sum is σ = 2082180482. Its totient is φ = 2082180480.

The previous prime is 2082180467. The next prime is 2082180487. The reversal of 2082180481 is 1840812802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1925805456 + 156375025 = 43884^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082180481 - 2¹¹ = 2082178433 is a prime.

It is a super-2 number, since 2×2082180481² = 8670951110914782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2082180487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041090240 + 1041090241.

It is an arithmetic number, because the mean of its divisors is an integer number (1041090241).

Almost surely, 2^2082180481 is an apocalyptic number.

It is an amenable number.

2082180481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082180481 is an equidigital number, since it uses as much as digits as its factorization.

2082180481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 2082180481 is about 45630.9158466056. The cubic root of 2082180481 is about 1276.9467594229.

The spelling of 2082180481 in words is "two billion, eighty-two million, one hundred eighty thousand, four hundred eighty-one".