47518963 has 2 divisors, whose sum is σ = 47518964. Its totient is φ = 47518962.

The previous prime is 47518949. The next prime is 47518967. The reversal of 47518963 is 36981574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47518963 is a prime.

It is not a weakly prime, because it can be changed into another prime (47518967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23759481 + 23759482.

It is an arithmetic number, because the mean of its divisors is an integer number (23759482).

Almost surely, 2^47518963 is an apocalyptic number.

47518963 is a deficient number, since it is larger than the sum of its proper divisors (1).

47518963 is an equidigital number, since it uses as much as digits as its factorization.

47518963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 47518963 is about 6893.3999593814. The cubic root of 47518963 is about 362.2060094359.

The spelling of 47518963 in words is "forty-seven million, five hundred eighteen thousand, nine hundred sixty-three".