42545875 has 16 divisors (see below), whose sum is σ = 53610336. Its totient is φ = 33708000.

The previous prime is 42545873. The next prime is 42545879. The reversal of 42545875 is 57854524.

It is not a de Polignac number, because 42545875 - 2¹ = 42545873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42545873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11785 + ... + 14965.

It is an arithmetic number, because the mean of its divisors is an integer number (3350646).

Almost surely, 2^42545875 is an apocalyptic number.

42545875 is a deficient number, since it is larger than the sum of its proper divisors (11064461).

42545875 is a wasteful number, since it uses less digits than its factorization.

42545875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3293 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 42545875 is about 6522.7199081365. The cubic root of 42545875 is about 349.1021203445.

The spelling of 42545875 in words is "forty-two million, five hundred forty-five thousand, eight hundred seventy-five".