91080325 has 48 divisors (see below), whose sum is σ = 135356416. Its totient is φ = 59486400.

The previous prime is 91080323. The next prime is 91080337. The reversal of 91080325 is 52308019.

It is not a de Polignac number, because 91080325 - 2¹ = 91080323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91080293 and 91080302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91080323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558694 + ... + 558856.

Almost surely, 2^91080325 is an apocalyptic number.

It is an amenable number.

91080325 is a deficient number, since it is larger than the sum of its proper divisors (44276091).

91080325 is a wasteful number, since it uses less digits than its factorization.

91080325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 91080325 is about 9543.6012594827. The cubic root of 91080325 is about 449.9264488843.

The spelling of 91080325 in words is "ninety-one million, eighty thousand, three hundred twenty-five".