2659081 has 2 divisors, whose sum is σ = 2659082. Its totient is φ = 2659080.

The previous prime is 2659073. The next prime is 2659091. The reversal of 2659081 is 1809562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1121481 = 1240^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2659081 - 2³ = 2659073 is a prime.

It is a super-2 number, since 2×2659081² = 14141423529122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2659001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329540 + 1329541.

It is an arithmetic number, because the mean of its divisors is an integer number (1329541).

2^2659081 is an apocalyptic number.

It is an amenable number.

2659081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659081 is an equidigital number, since it uses as much as digits as its factorization.

2659081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2659081 is about 1630.6688811650. The cubic root of 2659081 is about 138.5406398050.

The spelling of 2659081 in words is "two million, six hundred fifty-nine thousand, eighty-one".