47579171 has 2 divisors, whose sum is σ = 47579172. Its totient is φ = 47579170.

The previous prime is 47579149. The next prime is 47579177. The reversal of 47579171 is 17197574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47579171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47579177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23789585 + 23789586.

It is an arithmetic number, because the mean of its divisors is an integer number (23789586).

Almost surely, 2^47579171 is an apocalyptic number.

47579171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47579171 is an equidigital number, since it uses as much as digits as its factorization.

47579171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 41.

The square root of 47579171 is about 6897.7656527313. The cubic root of 47579171 is about 362.3589202892.

The spelling of 47579171 in words is "forty-seven million, five hundred seventy-nine thousand, one hundred seventy-one".