5541409 has 4 divisors (see below), whose sum is σ = 5548720. Its totient is φ = 5534100.

The previous prime is 5541397. The next prime is 5541421. The reversal of 5541409 is 9041455.

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 an interprime number because it is at equal distance from previous prime (5541397) and next prime (5541421).

It is a cyclic number.

It is not a de Polignac number, because 5541409 - 2⁵ = 5541377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541449) 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, 2367 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (1387180).

Almost surely, 2^5541409 is an apocalyptic number.

It is an amenable number.

5541409 is a deficient number, since it is larger than the sum of its proper divisors (7311).

5541409 is an equidigital number, since it uses as much as digits as its factorization.

5541409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5541409 is about 2354.0197535280. The cubic root of 5541409 is about 176.9593041660.

The spelling of 5541409 in words is "five million, five hundred forty-one thousand, four hundred nine".