47995229 has 2 divisors, whose sum is σ = 47995230. Its totient is φ = 47995228.

The previous prime is 47995201. The next prime is 47995231. The reversal of 47995229 is 92259974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 18292729 = 5450^2 + 4277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47995229 is a prime.

Together with 47995231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47995279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23997614 + 23997615.

It is an arithmetic number, because the mean of its divisors is an integer number (23997615).

Almost surely, 2^47995229 is an apocalyptic number.

It is an amenable number.

47995229 is a deficient number, since it is larger than the sum of its proper divisors (1).

47995229 is an equidigital number, since it uses as much as digits as its factorization.

47995229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 47995229 is about 6927.8589044524. The cubic root of 47995229 is about 363.4120772198.

The spelling of 47995229 in words is "forty-seven million, nine hundred ninety-five thousand, two hundred twenty-nine".