82042305 has 16 divisors (see below), whose sum is σ = 135794880. Its totient is φ = 42246848.

The previous prime is 82042297. The next prime is 82042321. The reversal of 82042305 is 50324028.

It is a cyclic number.

It is not a de Polignac number, because 82042305 - 2³ = 82042297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93867 + ... + 94736.

It is an arithmetic number, because the mean of its divisors is an integer number (8487180).

Almost surely, 2^82042305 is an apocalyptic number.

It is an amenable number.

82042305 is a deficient number, since it is larger than the sum of its proper divisors (53752575).

82042305 is a wasteful number, since it uses less digits than its factorization.

82042305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188640.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 82042305 is about 9057.7207397888. The cubic root of 82042305 is about 434.5228484513.

The spelling of 82042305 in words is "eighty-two million, forty-two thousand, three hundred five".