2160549 has 12 divisors (see below), whose sum is σ = 3168256. Its totient is φ = 1418472.

The previous prime is 2160533. The next prime is 2160553. The reversal of 2160549 is 9450612.

It is not a de Polignac number, because 2160549 - 2⁴ = 2160533 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 (2160589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1189 + ... + 2394.

2^2160549 is an apocalyptic number.

It is an amenable number.

2160549 is a deficient number, since it is larger than the sum of its proper divisors (1007707).

2160549 is a wasteful number, since it uses less digits than its factorization.

2160549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2160549 is about 1469.8806073964. The cubic root of 2160549 is about 129.2770321839.

The spelling of 2160549 in words is "two million, one hundred sixty thousand, five hundred forty-nine".