2539043 has 4 divisors (see below), whose sum is σ = 2734368. Its totient is φ = 2343720.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2539043 is 3409352.

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 2539043 - 2⁸ = 2538787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2539049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97643 + ... + 97668.

It is an arithmetic number, because the mean of its divisors is an integer number (683592).

2^2539043 is an apocalyptic number.

2539043 is a deficient number, since it is larger than the sum of its proper divisors (195325).

2539043 is a wasteful number, since it uses less digits than its factorization.

2539043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195324.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2539043 is about 1593.4374791626. The cubic root of 2539043 is about 136.4237611360.

The spelling of 2539043 in words is "two million, five hundred thirty-nine thousand, forty-three".