47247089 has 2 divisors, whose sum is σ = 47247090. Its totient is φ = 47247088.

The previous prime is 47247019. The next prime is 47247107. The reversal of 47247089 is 98074274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 187489 = 6860^2 + 433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47247089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47247019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23623544 + 23623545.

It is an arithmetic number, because the mean of its divisors is an integer number (23623545).

Almost surely, 2^47247089 is an apocalyptic number.

It is an amenable number.

47247089 is a deficient number, since it is larger than the sum of its proper divisors (1).

47247089 is an equidigital number, since it uses as much as digits as its factorization.

47247089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 47247089 is about 6873.6517950795. The cubic root of 47247089 is about 361.5139152155.

The spelling of 47247089 in words is "forty-seven million, two hundred forty-seven thousand, eighty-nine".