91064241 has 6 divisors (see below), whose sum is σ = 131537250. Its totient is φ = 60709488.

The previous prime is 91064231. The next prime is 91064261. The reversal of 91064241 is 14246019.

91064241 is a `hidden beast` number, since 9 + 10 + 642 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75690000 + 15374241 = 8700^2 + 3921^2 .

It is not a de Polignac number, because 91064241 - 2⁵ = 91064209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91064201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5059116 + ... + 5059133.

It is an arithmetic number, because the mean of its divisors is an integer number (21922875).

Almost surely, 2^91064241 is an apocalyptic number.

It is an amenable number.

91064241 is a deficient number, since it is larger than the sum of its proper divisors (40473009).

91064241 is a wasteful number, since it uses less digits than its factorization.

91064241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118255 (or 10118252 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 91064241 is about 9542.7585634344. The cubic root of 91064241 is about 449.8999629481.

The spelling of 91064241 in words is "ninety-one million, sixty-four thousand, two hundred forty-one".