82458609 has 16 divisors (see below), whose sum is σ = 111397440. Its totient is φ = 54250560.

The previous prime is 82458599. The next prime is 82458617. The reversal of 82458609 is 90685428.

It is not a de Polignac number, because 82458609 - 2⁹ = 82458097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82458659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150474 + ... + 151020.

It is an arithmetic number, because the mean of its divisors is an integer number (6962340).

Almost surely, 2^82458609 is an apocalyptic number.

It is an amenable number.

82458609 is a deficient number, since it is larger than the sum of its proper divisors (28938831).

82458609 is a wasteful number, since it uses less digits than its factorization.

82458609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 82458609 is about 9080.6722768747. The cubic root of 82458609 is about 435.2565694767.

The spelling of 82458609 in words is "eighty-two million, four hundred fifty-eight thousand, six hundred nine".