47473133 has 2 divisors, whose sum is σ = 47473134. Its totient is φ = 47473132.

The previous prime is 47473123. The next prime is 47473147. The reversal of 47473133 is 33137474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 18550249 = 5378^2 + 4307^2 .

It is a cyclic number.

It is not a de Polignac number, because 47473133 - 2⁴ = 47473117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47473133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47473123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23736566 + 23736567.

It is an arithmetic number, because the mean of its divisors is an integer number (23736567).

Almost surely, 2^47473133 is an apocalyptic number.

It is an amenable number.

47473133 is a deficient number, since it is larger than the sum of its proper divisors (1).

47473133 is an equidigital number, since it uses as much as digits as its factorization.

47473133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 32.

The square root of 47473133 is about 6890.0749633077. The cubic root of 47473133 is about 362.0895279314.

The spelling of 47473133 in words is "forty-seven million, four hundred seventy-three thousand, one hundred thirty-three".