2162539 has 8 divisors (see below), whose sum is σ = 2239568. Its totient is φ = 2086560.

The previous prime is 2162509. The next prime is 2162543. The reversal of 2162539 is 9352612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2162539 - 2⁵ = 2162507 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 (2162509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7669 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (279946).

2^2162539 is an apocalyptic number.

2162539 is a deficient number, since it is larger than the sum of its proper divisors (77029).

2162539 is a wasteful number, since it uses less digits than its factorization.

2162539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 3240, while the sum is 28.

The square root of 2162539 is about 1470.5573773233. The cubic root of 2162539 is about 129.3167107331.

It can be divided in two parts, 2162 and 539, that added together give a triangular number (2701 = T₇₃).

The spelling of 2162539 in words is "two million, one hundred sixty-two thousand, five hundred thirty-nine".