47651171 has 2 divisors, whose sum is σ = 47651172. Its totient is φ = 47651170.

The previous prime is 47651167. The next prime is 47651179. The reversal of 47651171 is 17115674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47651171 - 2² = 47651167 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47651179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23825585 + 23825586.

It is an arithmetic number, because the mean of its divisors is an integer number (23825586).

Almost surely, 2^47651171 is an apocalyptic number.

47651171 is a deficient number, since it is larger than the sum of its proper divisors (1).

47651171 is an equidigital number, since it uses as much as digits as its factorization.

47651171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 32.

The square root of 47651171 is about 6902.9827610968. The cubic root of 47651171 is about 362.5416101264.

The spelling of 47651171 in words is "forty-seven million, six hundred fifty-one thousand, one hundred seventy-one".