91825067 has 4 divisors (see below), whose sum is σ = 92219400. Its totient is φ = 91430736.

The previous prime is 91825057. The next prime is 91825079. The reversal of 91825067 is 76052819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76052819 = 29 ⋅2622511.

It is a cyclic number.

It is not a de Polignac number, because 91825067 - 2⁴ = 91825051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91825067.

It is not an unprimeable number, because it can be changed into a prime (91825057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196817 + ... + 197282.

It is an arithmetic number, because the mean of its divisors is an integer number (23054850).

Almost surely, 2^91825067 is an apocalyptic number.

91825067 is a deficient number, since it is larger than the sum of its proper divisors (394333).

91825067 is a wasteful number, since it uses less digits than its factorization.

91825067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394332.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 91825067 is about 9582.5396946738. The cubic root of 91825067 is about 451.1494351601.

The spelling of 91825067 in words is "ninety-one million, eight hundred twenty-five thousand, sixty-seven".