42082565 has 32 divisors (see below), whose sum is σ = 61772544. Its totient is φ = 26864640.

The previous prime is 42082543. The next prime is 42082613. The reversal of 42082565 is 56528024.

It is not a de Polignac number, because 42082565 - 2⁶ = 42082501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63335 + ... + 63995.

It is an arithmetic number, because the mean of its divisors is an integer number (1930392).

Almost surely, 2^42082565 is an apocalyptic number.

It is an amenable number.

42082565 is a deficient number, since it is larger than the sum of its proper divisors (19689979).

42082565 is a wasteful number, since it uses less digits than its factorization.

42082565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 42082565 is about 6487.1075989227. The cubic root of 42082565 is about 347.8302916962.

The spelling of 42082565 in words is "forty-two million, eighty-two thousand, five hundred sixty-five".