47491063 has 2 divisors, whose sum is σ = 47491064. Its totient is φ = 47491062.

The previous prime is 47491061. The next prime is 47491097. The reversal of 47491063 is 36019474.

It is a happy number.

It is an a-pointer prime, because the next prime (47491097) can be obtained adding 47491063 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47491063 - 2¹ = 47491061 is a prime.

Together with 47491061, it forms a pair of twin primes.

It is equal to p_2859433 and since 47491063 and 2859433 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47491061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23745531 + 23745532.

It is an arithmetic number, because the mean of its divisors is an integer number (23745532).

Almost surely, 2^47491063 is an apocalyptic number.

47491063 is a deficient number, since it is larger than the sum of its proper divisors (1).

47491063 is an equidigital number, since it uses as much as digits as its factorization.

47491063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47491063 is about 6891.3759874208. The cubic root of 47491063 is about 362.1351077337.

The spelling of 47491063 in words is "forty-seven million, four hundred ninety-one thousand, sixty-three".