42051175 has 6 divisors (see below), whose sum is σ = 52143488. Its totient is φ = 33640920.

The previous prime is 42051169. The next prime is 42051193. The reversal of 42051175 is 57115024.

It is not a de Polignac number, because 42051175 - 2³ = 42051167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1682047 = 42051175 / (4 + 2 + 0 + 5 + 1 + 1 + 7 + 5).

It is a Duffinian number.

It is a congruent 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, 840999 + ... + 841048.

Almost surely, 2^42051175 is an apocalyptic number.

42051175 is a deficient number, since it is larger than the sum of its proper divisors (10092313).

42051175 is a wasteful number, since it uses less digits than its factorization.

42051175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682057 (or 1682052 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 42051175 is about 6484.6877334225. The cubic root of 42051175 is about 347.7437862855.

Adding to 42051175 its reverse (57115024), we get a palindrome (99166199).

The spelling of 42051175 in words is "forty-two million, fifty-one thousand, one hundred seventy-five".