91354601 has 16 divisors (see below), whose sum is σ = 101839248. Its totient is φ = 81408000.

The previous prime is 91354579. The next prime is 91354607. The reversal of 91354601 is 10645319.

It can be written as a sum of positive squares in 8 ways, for example, as 1123600 + 90231001 = 1060^2 + 9499^2 .

It is a cyclic number.

It is not a de Polignac number, because 91354601 - 2⁶ = 91354537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91354607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52985 + ... + 54681.

It is an arithmetic number, because the mean of its divisors is an integer number (6364953).

Almost surely, 2^91354601 is an apocalyptic number.

It is an amenable number.

91354601 is a deficient number, since it is larger than the sum of its proper divisors (10484647).

91354601 is a wasteful number, since it uses less digits than its factorization.

91354601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 91354601 is about 9557.9600857087. The cubic root of 91354601 is about 450.3776270505.

The spelling of 91354601 in words is "ninety-one million, three hundred fifty-four thousand, six hundred one".