4541009 has 6 divisors (see below), whose sum is σ = 4991490. Its totient is φ = 4128080.

The previous prime is 4541003. The next prime is 4541011. The reversal of 4541009 is 9001454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 1890625 = 1628^2 + 1375^2 .

It is not a de Polignac number, because 4541009 - 2⁴ = 4540993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4541003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18644 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (831915).

Almost surely, 2^4541009 is an apocalyptic number.

It is an amenable number.

4541009 is a deficient number, since it is larger than the sum of its proper divisors (450481).

4541009 is a wasteful number, since it uses less digits than its factorization.

4541009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37551 (or 37540 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4541009 is about 2130.9643356941. The cubic root of 4541009 is about 165.5963604924.

The spelling of 4541009 in words is "four million, five hundred forty-one thousand, nine".