47631533 has 2 divisors, whose sum is σ = 47631534. Its totient is φ = 47631532.

The previous prime is 47631523. The next prime is 47631541. The reversal of 47631533 is 33513674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 22250089 = 5038^2 + 4717^2 .

It is a cyclic number.

It is not a de Polignac number, because 47631533 - 2¹⁰ = 47630509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47631533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47631503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23815766 + 23815767.

It is an arithmetic number, because the mean of its divisors is an integer number (23815767).

Almost surely, 2^47631533 is an apocalyptic number.

It is an amenable number.

47631533 is a deficient number, since it is larger than the sum of its proper divisors (1).

47631533 is an equidigital number, since it uses as much as digits as its factorization.

47631533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 32.

The square root of 47631533 is about 6901.5601859290. The cubic root of 47631533 is about 362.4917997352.

The spelling of 47631533 in words is "forty-seven million, six hundred thirty-one thousand, five hundred thirty-three".