42517075 has 6 divisors (see below), whose sum is σ = 52721204. Its totient is φ = 34013640.

The previous prime is 42517063. The next prime is 42517091. The reversal of 42517075 is 57071524.

It is not a de Polignac number, because 42517075 - 2⁵ = 42517043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 850317 + ... + 850366.

Almost surely, 2^42517075 is an apocalyptic number.

42517075 is a deficient number, since it is larger than the sum of its proper divisors (10204129).

42517075 is a wasteful number, since it uses less digits than its factorization.

42517075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700693 (or 1700688 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 42517075 is about 6520.5118664105. The cubic root of 42517075 is about 349.0233315820.

Adding to 42517075 its reverse (57071524), we get a palindrome (99588599).

The spelling of 42517075 in words is "forty-two million, five hundred seventeen thousand, seventy-five".