2872539 has 12 divisors (see below), whose sum is σ = 4329936. Its totient is φ = 1831632.

The previous prime is 2872531. The next prime is 2872543. The reversal of 2872539 is 9352782.

It is a happy number.

It is not a de Polignac number, because 2872539 - 2³ = 2872531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2872531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6732 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (360828).

2^2872539 is an apocalyptic number.

2872539 is a deficient number, since it is larger than the sum of its proper divisors (1457397).

2872539 is a wasteful number, since it uses less digits than its factorization.

2872539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906 (or 13903 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2872539 is about 1694.8566311048. The cubic root of 2872539 is about 142.1527649081.

The spelling of 2872539 in words is "two million, eight hundred seventy-two thousand, five hundred thirty-nine".