47204191 has 2 divisors, whose sum is σ = 47204192. Its totient is φ = 47204190.

The previous prime is 47204123. The next prime is 47204207. The reversal of 47204191 is 19140274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47204191 - 2¹¹ = 47202143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47204111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602095 + 23602096.

It is an arithmetic number, because the mean of its divisors is an integer number (23602096).

Almost surely, 2^47204191 is an apocalyptic number.

47204191 is a deficient number, since it is larger than the sum of its proper divisors (1).

47204191 is an equidigital number, since it uses as much as digits as its factorization.

47204191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 47204191 is about 6870.5306199740. The cubic root of 47204191 is about 361.4044698846.

It can be divided in two parts, 4720 and 4191, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 47204191 in words is "forty-seven million, two hundred four thousand, one hundred ninety-one".