2548539 has 18 divisors (see below), whose sum is σ = 4282980. Its totient is φ = 1456056.

The previous prime is 2548537. The next prime is 2548543. The reversal of 2548539 is 9358452.

It is not a de Polignac number, because 2548539 - 2¹ = 2548537 is a prime.

It is an Ulam number.

2548539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2548531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2449 + ... + 3330.

2^2548539 is an apocalyptic number.

2548539 is a deficient number, since it is larger than the sum of its proper divisors (1734441).

2548539 is a wasteful number, since it uses less digits than its factorization.

2548539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799 (or 5789 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2548539 is about 1596.4144198798. The cubic root of 2548539 is about 136.5936241323.

The spelling of 2548539 in words is "two million, five hundred forty-eight thousand, five hundred thirty-nine".