47541409 has 4 divisors (see below), whose sum is σ = 47626416. Its totient is φ = 47456404.

The previous prime is 47541379. The next prime is 47541413. The reversal of 47541409 is 90414574.

47541409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 47541409 - 2⁹ = 47540897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47541479) 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, 41659 + ... + 42784.

It is an arithmetic number, because the mean of its divisors is an integer number (11906604).

Almost surely, 2^47541409 is an apocalyptic number.

It is an amenable number.

47541409 is a deficient number, since it is larger than the sum of its proper divisors (85007).

47541409 is an equidigital number, since it uses as much as digits as its factorization.

47541409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85006.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 47541409 is about 6895.0278462092. The cubic root of 47541409 is about 362.2630308564.

The spelling of 47541409 in words is "forty-seven million, five hundred forty-one thousand, four hundred nine".