91486825 has 24 divisors (see below), whose sum is σ = 116142368. Its totient is φ = 71470080.

The previous prime is 91486817. The next prime is 91486831. The reversal of 91486825 is 52868419.

It is a happy number.

It is not a de Polignac number, because 91486825 - 2³ = 91486817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 323134 + ... + 323416.

Almost surely, 2^91486825 is an apocalyptic number.

It is an amenable number.

91486825 is a deficient number, since it is larger than the sum of its proper divisors (24655543).

91486825 is a wasteful number, since it uses less digits than its factorization.

91486825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 91486825 is about 9564.8745417805. The cubic root of 91486825 is about 450.5948101412.

The spelling of 91486825 in words is "ninety-one million, four hundred eighty-six thousand, eight hundred twenty-five".