82550265 has 32 divisors (see below), whose sum is σ = 151289856. Its totient is φ = 37652160.

The previous prime is 82550257. The next prime is 82550267. The reversal of 82550265 is 56205528.

It is not a de Polignac number, because 82550265 - 2³ = 82550257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82550267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90160 + ... + 91070.

It is an arithmetic number, because the mean of its divisors is an integer number (4727808).

Almost surely, 2^82550265 is an apocalyptic number.

It is an amenable number.

82550265 is a deficient number, since it is larger than the sum of its proper divisors (68739591).

82550265 is a wasteful number, since it uses less digits than its factorization.

82550265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 82550265 is about 9085.7176381395. The cubic root of 82550265 is about 435.4177780497.

The spelling of 82550265 in words is "eighty-two million, five hundred fifty thousand, two hundred sixty-five".