2872081 has 2 divisors, whose sum is σ = 2872082. Its totient is φ = 2872080.

The previous prime is 2872069. The next prime is 2872109. The reversal of 2872081 is 1802782.

2872081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2872109) can be obtained adding 2872081 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 99856 = 1665^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872081 - 2¹⁵ = 2839313 is a prime.

It is a super-2 number, since 2×2872081² = 16497698541122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2872481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436040 + 1436041.

It is an arithmetic number, because the mean of its divisors is an integer number (1436041).

2^2872081 is an apocalyptic number.

It is an amenable number.

2872081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872081 is an equidigital number, since it uses as much as digits as its factorization.

2872081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2872081 is about 1694.7215110454. The cubic root of 2872081 is about 142.1452095217.

The spelling of 2872081 in words is "two million, eight hundred seventy-two thousand, eighty-one".