82425897 has 16 divisors (see below), whose sum is σ = 122254080. Its totient is φ = 54886896.

The previous prime is 82425887. The next prime is 82425901. The reversal of 82425897 is 79852428.

It is not a de Polignac number, because 82425897 - 2⁷ = 82425769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82425887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39123 + ... + 41175.

It is an arithmetic number, because the mean of its divisors is an integer number (7640880).

Almost surely, 2^82425897 is an apocalyptic number.

It is an amenable number.

82425897 is a deficient number, since it is larger than the sum of its proper divisors (39828183).

82425897 is a wasteful number, since it uses less digits than its factorization.

82425897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3543 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 82425897 is about 9078.8709099755. The cubic root of 82425897 is about 435.1990052584.

The spelling of 82425897 in words is "eighty-two million, four hundred twenty-five thousand, eight hundred ninety-seven".