8118549 has 20 divisors (see below), whose sum is σ = 12302796. Its totient is φ = 5334336.

The previous prime is 8118527. The next prime is 8118553. The reversal of 8118549 is 9458118.

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 1306449 = 2610^2 + 1143^2 .

It is not a de Polignac number, because 8118549 - 2¹¹ = 8116501 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118569) 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 19 ways as a sum of consecutive naturals, for example, 5227 + ... + 6599.

Almost surely, 2^8118549 is an apocalyptic number.

It is an amenable number.

8118549 is a deficient number, since it is larger than the sum of its proper divisors (4184247).

8118549 is a wasteful number, since it uses less digits than its factorization.

8118549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1449 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 8118549 is about 2849.3067577921. The cubic root of 8118549 is about 200.9830682998.

The spelling of 8118549 in words is "eight million, one hundred eighteen thousand, five hundred forty-nine".