47452247 has 2 divisors, whose sum is σ = 47452248. Its totient is φ = 47452246.

The previous prime is 47452217. The next prime is 47452271. The reversal of 47452247 is 74225474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47452247 - 2⁶ = 47452183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47452217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726123 + 23726124.

It is an arithmetic number, because the mean of its divisors is an integer number (23726124).

Almost surely, 2^47452247 is an apocalyptic number.

47452247 is a deficient number, since it is larger than the sum of its proper divisors (1).

47452247 is an equidigital number, since it uses as much as digits as its factorization.

47452247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 35.

The square root of 47452247 is about 6888.5591381653. The cubic root of 47452247 is about 362.0364192168.

The spelling of 47452247 in words is "forty-seven million, four hundred fifty-two thousand, two hundred forty-seven".