5421549 has 16 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 3085680.

The previous prime is 5421547. The next prime is 5421557. The reversal of 5421549 is 9451245.

5421549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5421549 - 2¹ = 5421547 is a prime.

It is a Curzon number.

5421549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421541) 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, 8752 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^5421549 is an apocalyptic number.

It is an amenable number.

5421549 is a deficient number, since it is larger than the sum of its proper divisors (2872851).

5421549 is a wasteful number, since it uses less digits than its factorization.

5421549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its digits is 7200, while the sum is 30.

The square root of 5421549 is about 2328.4219978346. The cubic root of 5421549 is about 175.6741236596.

The spelling of 5421549 in words is "five million, four hundred twenty-one thousand, five hundred forty-nine".