2142719 has 2 divisors, whose sum is σ = 2142720. Its totient is φ = 2142718.

The previous prime is 2142713. The next prime is 2142739. The reversal of 2142719 is 9172412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142719 - 2⁸ = 2142463 is a prime.

It is a super-3 number, since 3×2142719³ = 29513241840333242877, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142713) 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, 1071359 + 1071360.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

2^2142719 is an apocalyptic number.

2142719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142719 is an equidigital number, since it uses as much as digits as its factorization.

2142719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 2142719 is about 1463.8029238938. The cubic root of 2142719 is about 128.9204284631.

The spelling of 2142719 in words is "two million, one hundred forty-two thousand, seven hundred nineteen".