2077081 has 2 divisors, whose sum is σ = 2077082. Its totient is φ = 2077080.

The previous prime is 2077073. The next prime is 2077091. The reversal of 2077081 is 1807702.

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., 2073600 + 3481 = 1440^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077081 - 2³ = 2077073 is a prime.

It is a super-2 number, since 2×2077081² = 8628530961122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2077001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038540 + 1038541.

It is an arithmetic number, because the mean of its divisors is an integer number (1038541).

2^2077081 is an apocalyptic number.

2077081 is the 912-nd centered pentagonal number.

It is an amenable number.

2077081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077081 is an equidigital number, since it uses as much as digits as its factorization.

2077081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2077081 is about 1441.2081737209. The cubic root of 2077081 is about 127.5903447849.

The spelling of 2077081 in words is "two million, seventy-seven thousand, eighty-one".