82425659 has 4 divisors (see below), whose sum is σ = 83351880. Its totient is φ = 81499440.

The previous prime is 82425649. The next prime is 82425661. The reversal of 82425659 is 95652428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82425659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82425619) by changing a digit.

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, 462977 + ... + 463154.

It is an arithmetic number, because the mean of its divisors is an integer number (20837970).

Almost surely, 2^82425659 is an apocalyptic number.

82425659 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

82425659 is a deficient number, since it is larger than the sum of its proper divisors (926221).

82425659 is an equidigital number, since it uses as much as digits as its factorization.

82425659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926220.

The product of its digits is 172800, while the sum is 41.

The square root of 82425659 is about 9078.8578026093. The cubic root of 82425659 is about 435.1985863874.

The spelling of 82425659 in words is "eighty-two million, four hundred twenty-five thousand, six hundred fifty-nine".