2042759 has 4 divisors (see below), whose sum is σ = 2070816. Its totient is φ = 2014704.

The previous prime is 2042753. The next prime is 2042767. The reversal of 2042759 is 9572402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042759 - 2¹⁶ = 1977223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042753) 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 in 3 ways as a sum of consecutive naturals, for example, 13919 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (517704).

2^2042759 is an apocalyptic number.

2042759 is a deficient number, since it is larger than the sum of its proper divisors (28057).

2042759 is an equidigital number, since it uses as much as digits as its factorization.

2042759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28056.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2042759 is about 1429.2512025533. The cubic root of 2042759 is about 126.8836638991.

The spelling of 2042759 in words is "two million, forty-two thousand, seven hundred fifty-nine".