89841533 has 2 divisors, whose sum is σ = 89841534. Its totient is φ = 89841532.

The previous prime is 89841529. The next prime is 89841539. The reversal of 89841533 is 33514898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 14273284 = 8693^2 + 3778^2 .

It is a cyclic number.

It is not a de Polignac number, because 89841533 - 2² = 89841529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89841539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44920766 + 44920767.

It is an arithmetic number, because the mean of its divisors is an integer number (44920767).

Almost surely, 2^89841533 is an apocalyptic number.

It is an amenable number.

89841533 is a deficient number, since it is larger than the sum of its proper divisors (1).

89841533 is an equidigital number, since it uses as much as digits as its factorization.

89841533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 89841533 is about 9478.4773566222. The cubic root of 89841533 is about 447.8772998503.

The spelling of 89841533 in words is "eighty-nine million, eight hundred forty-one thousand, five hundred thirty-three".