5018549 has 4 divisors (see below), whose sum is σ = 5026080. Its totient is φ = 5011020.

The previous prime is 5018543. The next prime is 5018551. The reversal of 5018549 is 9458105.

5018549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5018549 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657 + ... + 4134.

It is an arithmetic number, because the mean of its divisors is an integer number (1256520).

Almost surely, 2^5018549 is an apocalyptic number.

It is an amenable number.

5018549 is a deficient number, since it is larger than the sum of its proper divisors (7531).

5018549 is an equidigital number, since it uses as much as digits as its factorization.

5018549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5018549 is about 2240.2118203420. The cubic root of 5018549 is about 171.2087893448.

The spelling of 5018549 in words is "five million, eighteen thousand, five hundred forty-nine".