42288875 has 16 divisors (see below), whose sum is σ = 52976352. Its totient is φ = 33703200.

The previous prime is 42288871. The next prime is 42288887. The reversal of 42288875 is 57888224.

42288875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42288875 - 2² = 42288871 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42288871) 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 15 ways as a sum of consecutive naturals, for example, 46172 + ... + 47078.

It is an arithmetic number, because the mean of its divisors is an integer number (3311022).

Almost surely, 2^42288875 is an apocalyptic number.

42288875 is a deficient number, since it is larger than the sum of its proper divisors (10687477).

42288875 is an equidigital number, since it uses as much as digits as its factorization.

42288875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1285 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 42288875 is about 6502.9896970547. The cubic root of 42288875 is about 348.3977786233.

The spelling of 42288875 in words is "forty-two million, two hundred eighty-eight thousand, eight hundred seventy-five".