42875385 has 16 divisors (see below), whose sum is σ = 78400896. Its totient is φ = 19600128.

The previous prime is 42875363. The next prime is 42875407. The reversal of 42875385 is 58357824.

It is an interprime number because it is at equal distance from previous prime (42875363) and next prime (42875407).

It is not a de Polignac number, because 42875385 - 2¹² = 42871289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204064 + ... + 204273.

It is an arithmetic number, because the mean of its divisors is an integer number (4900056).

Almost surely, 2^42875385 is an apocalyptic number.

It is an amenable number.

42875385 is a deficient number, since it is larger than the sum of its proper divisors (35525511).

42875385 is a wasteful number, since it uses less digits than its factorization.

42875385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408352.

The product of its digits is 268800, while the sum is 42.

The square root of 42875385 is about 6547.9298255250. The cubic root of 42875385 is about 350.0010476159.

The spelling of 42875385 in words is "forty-two million, eight hundred seventy-five thousand, three hundred eighty-five".