47152189 has 4 divisors (see below), whose sum is σ = 53888224. Its totient is φ = 40416156.

The previous prime is 47152181. The next prime is 47152199. The reversal of 47152189 is 98125174.

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 47152189 - 2³ = 47152181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47152181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368007 + ... + 3368020.

It is an arithmetic number, because the mean of its divisors is an integer number (13472056).

Almost surely, 2^47152189 is an apocalyptic number.

It is an amenable number.

47152189 is a deficient number, since it is larger than the sum of its proper divisors (6736035).

47152189 is an equidigital number, since it uses as much as digits as its factorization.

47152189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736034.

The product of its digits is 20160, while the sum is 37.

The square root of 47152189 is about 6866.7451532731. The cubic root of 47152189 is about 361.2717086446.

The spelling of 47152189 in words is "forty-seven million, one hundred fifty-two thousand, one hundred eighty-nine".