2881539 has 12 divisors (see below), whose sum is σ = 4178616. Its totient is φ = 1913472.

The previous prime is 2881531. The next prime is 2881547. The reversal of 2881539 is 9351882.

2881539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2881531) and next prime (2881547).

It is not a de Polignac number, because 2881539 - 2³ = 2881531 is a prime.

2881539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2881531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2724 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (348218).

2^2881539 is an apocalyptic number.

2881539 is a deficient number, since it is larger than the sum of its proper divisors (1297077).

2881539 is a wasteful number, since it uses less digits than its factorization.

2881539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1263 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2881539 is about 1697.5096465116. The cubic root of 2881539 is about 142.3010705315.

The spelling of 2881539 in words is "two million, eight hundred eighty-one thousand, five hundred thirty-nine".