91259125 has 24 divisors (see below), whose sum is σ = 116315784. Its totient is φ = 71481600.

The previous prime is 91259093. The next prime is 91259167. The reversal of 91259125 is 52195219.

It can be written as a sum of positive squares in 12 ways, for example, as 54789604 + 36469521 = 7402^2 + 6039^2 .

It is not a de Polignac number, because 91259125 - 2⁵ = 91259093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666057 + ... + 666193.

It is an arithmetic number, because the mean of its divisors is an integer number (4846491).

Almost surely, 2^91259125 is an apocalyptic number.

It is an amenable number.

91259125 is a deficient number, since it is larger than the sum of its proper divisors (25056659).

91259125 is an equidigital number, since it uses as much as digits as its factorization.

91259125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 215 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 91259125 is about 9552.9641996608. The cubic root of 91259125 is about 450.2206736601.

The spelling of 91259125 in words is "ninety-one million, two hundred fifty-nine thousand, one hundred twenty-five".