4472549 has 4 divisors (see below), whose sum is σ = 4476780. Its totient is φ = 4468320.

The previous prime is 4472539. The next prime is 4472551. The reversal of 4472549 is 9452744.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 351649 = 2030^2 + 593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4472549 is a prime.

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 (4472509) 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, 1019 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (1119195).

Almost surely, 2^4472549 is an apocalyptic number.

It is an amenable number.

4472549 is a deficient number, since it is larger than the sum of its proper divisors (4231).

4472549 is a wasteful number, since it uses less digits than its factorization.

4472549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its digits is 40320, while the sum is 35.

The square root of 4472549 is about 2114.8401830871. The cubic root of 4472549 is about 164.7599693240.

The spelling of 4472549 in words is "four million, four hundred seventy-two thousand, five hundred forty-nine".