91595245 has 16 divisors (see below), whose sum is σ = 128291328. Its totient is φ = 61470720.

The previous prime is 91595237. The next prime is 91595261. The reversal of 91595245 is 54259519.

It is not a de Polignac number, because 91595245 - 2³ = 91595237 is a prime.

It is a super-2 number, since 2×91595245² = 16779377813220050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91595198 and 91595207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26196 + ... + 29485.

It is an arithmetic number, because the mean of its divisors is an integer number (8018208).

Almost surely, 2^91595245 is an apocalyptic number.

It is an amenable number.

91595245 is a deficient number, since it is larger than the sum of its proper divisors (36696083).

91595245 is a wasteful number, since it uses less digits than its factorization.

91595245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55740.

The product of its digits is 81000, while the sum is 40.

The square root of 91595245 is about 9570.5404758561. The cubic root of 91595245 is about 450.7727381413.

The spelling of 91595245 in words is "ninety-one million, five hundred ninety-five thousand, two hundred forty-five".