2549082961 has 2 divisors, whose sum is σ = 2549082962. Its totient is φ = 2549082960.

The previous prime is 2549082953. The next prime is 2549082971. The reversal of 2549082961 is 1692809452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483713361 + 1065369600 = 38519^2 + 32640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549082961 - 2³ = 2549082953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2549082931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274541480 + 1274541481.

It is an arithmetic number, because the mean of its divisors is an integer number (1274541481).

Almost surely, 2^2549082961 is an apocalyptic number.

It is an amenable number.

2549082961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549082961 is an equidigital number, since it uses as much as digits as its factorization.

2549082961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2549082961 is about 50488.4438361889. The cubic root of 2549082961 is about 1366.0334163692.

The spelling of 2549082961 in words is "two billion, five hundred forty-nine million, eighty-two thousand, nine hundred sixty-one".