2719081 has 2 divisors, whose sum is σ = 2719082. Its totient is φ = 2719080.

The previous prime is 2719043. The next prime is 2719111. The reversal of 2719081 is 1809172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 714025 = 1416^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2719081 - 2¹³ = 2710889 is a prime.

It is a super-2 number, since 2×2719081² = 14786802969122, which contains 22 as substring.

2719081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2719001) 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, 1359540 + 1359541.

It is an arithmetic number, because the mean of its divisors is an integer number (1359541).

2^2719081 is an apocalyptic number.

It is an amenable number.

2719081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719081 is an equidigital number, since it uses as much as digits as its factorization.

2719081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2719081 is about 1648.9636139103. The cubic root of 2719081 is about 139.5749181135.

Subtracting from 2719081 its reverse (1809172), we obtain a palindrome (909909).

The spelling of 2719081 in words is "two million, seven hundred nineteen thousand, eighty-one".