91459225 has 24 divisors (see below), whose sum is σ = 133241472. Its totient is φ = 61396800.

The previous prime is 91459223. The next prime is 91459229. The reversal of 91459225 is 52295419.

It is not a de Polignac number, because 91459225 - 2¹ = 91459223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91459223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9217 + ... + 16366.

It is an arithmetic number, because the mean of its divisors is an integer number (5551728).

Almost surely, 2^91459225 is an apocalyptic number.

It is an amenable number.

91459225 is a deficient number, since it is larger than the sum of its proper divisors (41782247).

91459225 is a wasteful number, since it uses less digits than its factorization.

91459225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25617 (or 25612 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 91459225 is about 9563.4316539619. The cubic root of 91459225 is about 450.5494933516.

The spelling of 91459225 in words is "ninety-one million, four hundred fifty-nine thousand, two hundred twenty-five".