90175265 has 4 divisors (see below), whose sum is σ = 108210324. Its totient is φ = 72140208.

The previous prime is 90175231. The next prime is 90175271. The reversal of 90175265 is 56257109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26956864 + 63218401 = 5192^2 + 7951^2 .

It is a cyclic number.

It is not a de Polignac number, because 90175265 - 2¹⁸ = 89913121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9017522 + ... + 9017531.

It is an arithmetic number, because the mean of its divisors is an integer number (27052581).

Almost surely, 2^90175265 is an apocalyptic number.

It is an amenable number.

90175265 is a deficient number, since it is larger than the sum of its proper divisors (18035059).

90175265 is a wasteful number, since it uses less digits than its factorization.

90175265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18035058.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 90175265 is about 9496.0657643047. The cubic root of 90175265 is about 448.4311872875.

The spelling of 90175265 in words is "ninety million, one hundred seventy-five thousand, two hundred sixty-five".