82505258 has 16 divisors (see below), whose sum is σ = 142115040. Its totient is φ = 35528400.

The previous prime is 82505251. The next prime is 82505279. The reversal of 82505258 is 85250528.

It is not an unprimeable number, because it can be changed into a prime (82505251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98273 + ... + 99108.

It is an arithmetic number, because the mean of its divisors is an integer number (8882190).

Almost surely, 2^82505258 is an apocalyptic number.

82505258 is a deficient number, since it is larger than the sum of its proper divisors (59609782).

82505258 is a wasteful number, since it uses less digits than its factorization.

82505258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197413.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 82505258 is about 9083.2405010547. The cubic root of 82505258 is about 435.3386326931.

The spelling of 82505258 in words is "eighty-two million, five hundred five thousand, two hundred fifty-eight".