47372191 has 2 divisors, whose sum is σ = 47372192. Its totient is φ = 47372190.

The previous prime is 47372189. The next prime is 47372233. The reversal of 47372191 is 19127374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47372191 - 2¹ = 47372189 is a prime.

Together with 47372189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47372141) 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 as a sum of consecutive naturals, namely, 23686095 + 23686096.

It is an arithmetic number, because the mean of its divisors is an integer number (23686096).

Almost surely, 2^47372191 is an apocalyptic number.

47372191 is a deficient number, since it is larger than the sum of its proper divisors (1).

47372191 is an equidigital number, since it uses as much as digits as its factorization.

47372191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 47372191 is about 6882.7458909944. The cubic root of 47372191 is about 361.8327091451.

The spelling of 47372191 in words is "forty-seven million, three hundred seventy-two thousand, one hundred ninety-one".