42575527 has 4 divisors (see below), whose sum is σ = 42670800. Its totient is φ = 42480256.

The previous prime is 42575513. The next prime is 42575539. The reversal of 42575527 is 72557524.

42575527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42575527 - 2¹⁹ = 42051239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42575227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46963 + ... + 47860.

It is an arithmetic number, because the mean of its divisors is an integer number (10667700).

Almost surely, 2^42575527 is an apocalyptic number.

42575527 is a deficient number, since it is larger than the sum of its proper divisors (95273).

42575527 is an equidigital number, since it uses as much as digits as its factorization.

42575527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95272.

The product of its digits is 98000, while the sum is 37.

The square root of 42575527 is about 6524.9924904171. The cubic root of 42575527 is about 349.1832028010.

The spelling of 42575527 in words is "forty-two million, five hundred seventy-five thousand, five hundred twenty-seven".