91765433 has 2 divisors, whose sum is σ = 91765434. Its totient is φ = 91765432.

The previous prime is 91765417. The next prime is 91765463. The reversal of 91765433 is 33456719.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 41113744 = 7117^2 + 6412^2 .

It is a cyclic number.

It is not a de Polignac number, because 91765433 - 2⁴ = 91765417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91765463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45882716 + 45882717.

It is an arithmetic number, because the mean of its divisors is an integer number (45882717).

Almost surely, 2^91765433 is an apocalyptic number.

It is an amenable number.

91765433 is a deficient number, since it is larger than the sum of its proper divisors (1).

91765433 is an equidigital number, since it uses as much as digits as its factorization.

91765433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 91765433 is about 9579.4275925026. The cubic root of 91765433 is about 451.0517506082.

The spelling of 91765433 in words is "ninety-one million, seven hundred sixty-five thousand, four hundred thirty-three".