2549559 has 16 divisors (see below), whose sum is σ = 3540992. Its totient is φ = 1630368.

The previous prime is 2549557. The next prime is 2549563. The reversal of 2549559 is 9559452.

It is not a de Polignac number, because 2549559 - 2¹ = 2549557 is a prime.

It is a Duffinian number.

2549559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11322 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (221312).

2^2549559 is an apocalyptic number.

2549559 is a deficient number, since it is larger than the sum of its proper divisors (991433).

2549559 is a wasteful number, since it uses less digits than its factorization.

2549559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 81000, while the sum is 39.

The square root of 2549559 is about 1596.7338538404. The cubic root of 2549559 is about 136.6118446256.

The spelling of 2549559 in words is "two million, five hundred forty-nine thousand, five hundred fifty-nine".