42482865 has 32 divisors (see below), whose sum is σ = 70926336. Its totient is φ = 21689280.

The previous prime is 42482851. The next prime is 42482873. The reversal of 42482865 is 56828424.

It is not a de Polignac number, because 42482865 - 2⁴ = 42482849 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47452 + ... + 48338.

It is an arithmetic number, because the mean of its divisors is an integer number (2216448).

Almost surely, 2^42482865 is an apocalyptic number.

42482865 is the 5322-nd pentagonal number.

It is an amenable number.

42482865 is a deficient number, since it is larger than the sum of its proper divisors (28443471).

42482865 is a wasteful number, since it uses less digits than its factorization.

42482865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its digits is 122880, while the sum is 39.

The square root of 42482865 is about 6517.8880782045. Note that the first 3 decimals coincide. The cubic root of 42482865 is about 348.9296963228.

The spelling of 42482865 in words is "forty-two million, four hundred eighty-two thousand, eight hundred sixty-five".