47801563 has 2 divisors, whose sum is σ = 47801564. Its totient is φ = 47801562.

The previous prime is 47801561. The next prime is 47801639. The reversal of 47801563 is 36510874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47801563 - 2¹ = 47801561 is a prime.

Together with 47801561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47801561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23900781 + 23900782.

It is an arithmetic number, because the mean of its divisors is an integer number (23900782).

Almost surely, 2^47801563 is an apocalyptic number.

47801563 is a deficient number, since it is larger than the sum of its proper divisors (1).

47801563 is an equidigital number, since it uses as much as digits as its factorization.

47801563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 47801563 is about 6913.8674415988. The cubic root of 47801563 is about 362.9226157877.

The spelling of 47801563 in words is "forty-seven million, eight hundred one thousand, five hundred sixty-three".