91325230 has 16 divisors (see below), whose sum is σ = 167883840. Its totient is φ = 35752672.

The previous prime is 91325219. The next prime is 91325233. The reversal of 91325230 is 3252319.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91325195 and 91325204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91325233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96685 + ... + 97624.

It is an arithmetic number, because the mean of its divisors is an integer number (10492740).

Almost surely, 2^91325230 is an apocalyptic number.

91325230 is a deficient number, since it is larger than the sum of its proper divisors (76558610).

91325230 is a wasteful number, since it uses less digits than its factorization.

91325230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194363.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 91325230 is about 9556.4234941740. The cubic root of 91325230 is about 450.3293555932.

Adding to 91325230 its reverse (3252319), we get a palindrome (94577549).

The spelling of 91325230 in words is "ninety-one million, three hundred twenty-five thousand, two hundred thirty".