91363325 has 12 divisors (see below), whose sum is σ = 114296628. Its totient is φ = 72441600.

The previous prime is 91363313. The next prime is 91363331. The reversal of 91363325 is 52336319.

It can be written as a sum of positive squares in 6 ways, for example, as 37810201 + 53553124 = 6149^2 + 7318^2 .

It is not a de Polignac number, because 91363325 - 2²² = 87169021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91363291 and 91363300.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 13346 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (9524719).

Almost surely, 2^91363325 is an apocalyptic number.

It is an amenable number.

91363325 is a deficient number, since it is larger than the sum of its proper divisors (22933303).

91363325 is a wasteful number, since it uses less digits than its factorization.

91363325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32464 (or 32459 counting only the distinct ones).

The product of its digits is 14580, while the sum is 32.

The square root of 91363325 is about 9558.4164483454. The cubic root of 91363325 is about 450.3919630165.

The spelling of 91363325 in words is "ninety-one million, three hundred sixty-three thousand, three hundred twenty-five".