42517875 has 16 divisors (see below), whose sum is σ = 70750368. Its totient is φ = 22676000.

The previous prime is 42517873. The next prime is 42517883. The reversal of 42517875 is 57871524.

It is not a de Polignac number, because 42517875 - 2¹ = 42517873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42517873) 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, 56316 + ... + 57065.

It is an arithmetic number, because the mean of its divisors is an integer number (4421898).

Almost surely, 2^42517875 is an apocalyptic number.

42517875 is a deficient number, since it is larger than the sum of its proper divisors (28232493).

42517875 is a wasteful number, since it uses less digits than its factorization.

42517875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113399 (or 113389 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 42517875 is about 6520.5732109992. The cubic root of 42517875 is about 349.0255206390.

The spelling of 42517875 in words is "forty-two million, five hundred seventeen thousand, eight hundred seventy-five".