90265 has 8 divisors (see below), whose sum is σ = 123840. Its totient is φ = 61872.

The previous prime is 90263. The next prime is 90271. The reversal of 90265 is 56209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90265 - 2¹ = 90263 is a prime.

90265 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (90263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2⁹⁰²⁶⁵ is an apocalyptic number.

It is an amenable number.

90265 is a deficient number, since it is larger than the sum of its proper divisors (33575).

90265 is a wasteful number, since it uses less digits than its factorization.

90265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90265 is about 300.4413420287. The cubic root of 90265 is about 44.8579885241.

The spelling of 90265 in words is "ninety thousand, two hundred sixty-five".