42018575 has 6 divisors (see below), whose sum is σ = 52103064. Its totient is φ = 33614840.

The previous prime is 42018551. The next prime is 42018583. The reversal of 42018575 is 57581024.

It is not a de Polignac number, because 42018575 - 2⁶ = 42018511 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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840347 + ... + 840396.

It is an arithmetic number, because the mean of its divisors is an integer number (8683844).

Almost surely, 2^42018575 is an apocalyptic number.

42018575 is a deficient number, since it is larger than the sum of its proper divisors (10084489).

42018575 is a wasteful number, since it uses less digits than its factorization.

42018575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680753 (or 1680748 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 42018575 is about 6482.1736323551. The cubic root of 42018575 is about 347.6539007416.

Adding to 42018575 its reverse (57581024), we get a palindrome (99599599).

The spelling of 42018575 in words is "forty-two million, eighteen thousand, five hundred seventy-five".