42886825 has 6 divisors (see below), whose sum is σ = 53179694. Its totient is φ = 34309440.

The previous prime is 42886817. The next prime is 42886829. The reversal of 42886825 is 52868824.

42886825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5285401 + 37601424 = 2299^2 + 6132^2 .

It is not a de Polignac number, because 42886825 - 2³ = 42886817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42886829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 857712 + ... + 857761.

Almost surely, 2^42886825 is an apocalyptic number.

It is an amenable number.

42886825 is a deficient number, since it is larger than the sum of its proper divisors (10292869).

42886825 is a wasteful number, since it uses less digits than its factorization.

42886825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715483 (or 1715478 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 42886825 is about 6548.8033257993. The cubic root of 42886825 is about 350.0321739131.

The spelling of 42886825 in words is "forty-two million, eight hundred eighty-six thousand, eight hundred twenty-five".