91332041 has 4 divisors (see below), whose sum is σ = 96704532. Its totient is φ = 85959552.

The previous prime is 91332037. The next prime is 91332047. The reversal of 91332041 is 14023319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27667600 + 63664441 = 5260^2 + 7979^2 .

It is a cyclic number.

It is not a de Polignac number, because 91332041 - 2² = 91332037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91331998 and 91332016.

It is not an unprimeable number, because it can be changed into a prime (91332047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686220 + ... + 2686253.

It is an arithmetic number, because the mean of its divisors is an integer number (24176133).

Almost surely, 2^91332041 is an apocalyptic number.

It is an amenable number.

91332041 is a deficient number, since it is larger than the sum of its proper divisors (5372491).

91332041 is a wasteful number, since it uses less digits than its factorization.

91332041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372490.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 91332041 is about 9556.7798446966. The cubic root of 91332041 is about 450.3405504441.

The spelling of 91332041 in words is "ninety-one million, three hundred thirty-two thousand, forty-one".