541421409 has 4 divisors (see below), whose sum is σ = 721895216. Its totient is φ = 360947604.

The previous prime is 541421399. The next prime is 541421429. The reversal of 541421409 is 904124145.

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 not a de Polignac number, because 541421409 - 2¹⁶ = 541355873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (541421429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90236899 + ... + 90236904.

It is an arithmetic number, because the mean of its divisors is an integer number (180473804).

Almost surely, 2^541421409 is an apocalyptic number.

It is an amenable number.

541421409 is a deficient number, since it is larger than the sum of its proper divisors (180473807).

541421409 is a wasteful number, since it uses less digits than its factorization.

541421409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180473806.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 541421409 is about 23268.4638298277. The cubic root of 541421409 is about 815.0391585436.

The spelling of 541421409 in words is "five hundred forty-one million, four hundred twenty-one thousand, four hundred nine".