2864539 has 2 divisors, whose sum is σ = 2864540. Its totient is φ = 2864538.

The previous prime is 2864527. The next prime is 2864557. The reversal of 2864539 is 9354682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864539 - 2⁹ = 2864027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2864498 and 2864507.

It is not a weakly prime, because it can be changed into another prime (2864569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432269 + 1432270.

It is an arithmetic number, because the mean of its divisors is an integer number (1432270).

2^2864539 is an apocalyptic number.

2864539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864539 is an equidigital number, since it uses as much as digits as its factorization.

2864539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 2864539 is about 1692.4949039805. The cubic root of 2864539 is about 142.0206774095.

It can be divided in two parts, 2864 and 539, that added together give a triangular number (3403 = T₈₂).

The spelling of 2864539 in words is "two million, eight hundred sixty-four thousand, five hundred thirty-nine".