91480841 has 2 divisors, whose sum is σ = 91480842. Its totient is φ = 91480840.

The previous prime is 91480813. The next prime is 91480849. The reversal of 91480841 is 14808419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 15721225 = 8704^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 91480841 - 2⁶ = 91480777 is a prime.

It is a Chen prime.

It is equal to p_5297912 and since 91480841 and 5297912 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (91480849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45740420 + 45740421.

It is an arithmetic number, because the mean of its divisors is an integer number (45740421).

Almost surely, 2^91480841 is an apocalyptic number.

It is an amenable number.

91480841 is a deficient number, since it is larger than the sum of its proper divisors (1).

91480841 is an equidigital number, since it uses as much as digits as its factorization.

91480841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 91480841 is about 9564.5617254530. The cubic root of 91480841 is about 450.5849857097.

The spelling of 91480841 in words is "ninety-one million, four hundred eighty thousand, eight hundred forty-one".