4549481 has 4 divisors (see below), whose sum is σ = 4562052. Its totient is φ = 4536912.

The previous prime is 4549477. The next prime is 4549487. The reversal of 4549481 is 1849454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1849454 = 2 ⋅924727.

It can be written as a sum of positive squares in 2 ways, for example, as 2859481 + 1690000 = 1691^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 4549481 - 2² = 4549477 is a prime.

It is a super-2 number, since 2×4549481² = 41395554738722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4549487) 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, 5726 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (1140513).

Almost surely, 2^4549481 is an apocalyptic number.

It is an amenable number.

4549481 is a deficient number, since it is larger than the sum of its proper divisors (12571).

4549481 is a wasteful number, since it uses less digits than its factorization.

4549481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570.

The product of its digits is 23040, while the sum is 35.

The square root of 4549481 is about 2132.9512418243. The cubic root of 4549481 is about 165.6992789409.

The spelling of 4549481 in words is "four million, five hundred forty-nine thousand, four hundred eighty-one".