47121583 has 2 divisors, whose sum is σ = 47121584. Its totient is φ = 47121582.

The previous prime is 47121553. The next prime is 47121601. The reversal of 47121583 is 38512174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47121583 - 2⁵ = 47121551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47121553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23560791 + 23560792.

It is an arithmetic number, because the mean of its divisors is an integer number (23560792).

Almost surely, 2^47121583 is an apocalyptic number.

47121583 is a deficient number, since it is larger than the sum of its proper divisors (1).

47121583 is an equidigital number, since it uses as much as digits as its factorization.

47121583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 47121583 is about 6864.5162247605. The cubic root of 47121583 is about 361.1935258118.

The spelling of 47121583 in words is "forty-seven million, one hundred twenty-one thousand, five hundred eighty-three".