42825717 has 24 divisors (see below), whose sum is σ = 68167008. Its totient is φ = 25692000.

The previous prime is 42825707. The next prime is 42825719. The reversal of 42825717 is 71752824.

42825717 is a `hidden beast` number, since 4 + 2 + 82 + 571 + 7 = 666.

It is not a de Polignac number, because 42825717 - 2¹² = 42821621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42825719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7858 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (2840292).

Almost surely, 2^42825717 is an apocalyptic number.

It is an amenable number.

42825717 is a deficient number, since it is larger than the sum of its proper divisors (25341291).

42825717 is a wasteful number, since it uses less digits than its factorization.

42825717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4398 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 42825717 is about 6544.1360774360. The cubic root of 42825717 is about 349.8658451837.

It can be divided in two parts, 4282 and 5717, that added together give a palindrome (9999).

The spelling of 42825717 in words is "forty-two million, eight hundred twenty-five thousand, seven hundred seventeen".