91532841 has 4 divisors (see below), whose sum is σ = 122043792. Its totient is φ = 61021892.

The previous prime is 91532827. The next prime is 91532849. The reversal of 91532841 is 14823519.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91532841 - 2⁵ = 91532809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91532849) 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, 15255471 + ... + 15255476.

It is an arithmetic number, because the mean of its divisors is an integer number (30510948).

Almost surely, 2^91532841 is an apocalyptic number.

It is an amenable number.

91532841 is a deficient number, since it is larger than the sum of its proper divisors (30510951).

91532841 is a wasteful number, since it uses less digits than its factorization.

91532841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30510950.

The product of its digits is 8640, while the sum is 33.

The square root of 91532841 is about 9567.2797074195. The cubic root of 91532841 is about 450.6703441335.

The spelling of 91532841 in words is "ninety-one million, five hundred thirty-two thousand, eight hundred forty-one".