47981183 has 2 divisors, whose sum is σ = 47981184. Its totient is φ = 47981182.

The previous prime is 47981107. The next prime is 47981201. The reversal of 47981183 is 38118974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47981183 - 2¹² = 47977087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47981183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47981083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23990591 + 23990592.

It is an arithmetic number, because the mean of its divisors is an integer number (23990592).

Almost surely, 2^47981183 is an apocalyptic number.

47981183 is a deficient number, since it is larger than the sum of its proper divisors (1).

47981183 is an equidigital number, since it uses as much as digits as its factorization.

47981183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 47981183 is about 6926.8450971564. The cubic root of 47981183 is about 363.3766224175.

The spelling of 47981183 in words is "forty-seven million, nine hundred eighty-one thousand, one hundred eighty-three".