2549538 has 24 divisors (see below), whose sum is σ = 5569200. Its totient is φ = 842904.

The previous prime is 2549531. The next prime is 2549557. The reversal of 2549538 is 8359452.

2549538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁸ + 5² + 4⁸ + 9⁴ + 5⁹ + 3 + 8⁶ .

It is not an unprimeable number, because it can be changed into a prime (2549531) 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, 1993 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (232050).

2^2549538 is an apocalyptic number.

2549538 is an abundant number, since it is smaller than the sum of its proper divisors (3019662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549538 is a wasteful number, since it uses less digits than its factorization.

2549538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1163 counting only the distinct ones).

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

The square root of 2549538 is about 1596.7272779031. The cubic root of 2549538 is about 136.6114695468.

The spelling of 2549538 in words is "two million, five hundred forty-nine thousand, five hundred thirty-eight".