842575 has 6 divisors (see below), whose sum is σ = 1044824. Its totient is φ = 674040.

The previous prime is 842551. The next prime is 842581. The reversal of 842575 is 575248.

It is not a de Polignac number, because 842575 - 2⁷ = 842447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16827 + ... + 16876.

2⁸⁴²⁵⁷⁵ is an apocalyptic number.

842575 is a deficient number, since it is larger than the sum of its proper divisors (202249).

842575 is a wasteful number, since it uses less digits than its factorization.

842575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33713 (or 33708 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 842575 is about 917.9188417284. The cubic root of 842575 is about 94.4501944468.

The spelling of 842575 in words is "eight hundred forty-two thousand, five hundred seventy-five".