42525171 has 12 divisors (see below), whose sum is σ = 66150448. Its totient is φ = 26169264.

The previous prime is 42525169. The next prime is 42525181. The reversal of 42525171 is 17152524.

42525171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42525171 - 2¹ = 42525169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42525181) 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 11 ways as a sum of consecutive naturals, for example, 181615 + ... + 181848.

Almost surely, 2^42525171 is an apocalyptic number.

42525171 is a deficient number, since it is larger than the sum of its proper divisors (23625277).

42525171 is a wasteful number, since it uses less digits than its factorization.

42525171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363482 (or 363479 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 42525171 is about 6521.1326470177. The cubic root of 42525171 is about 349.0454835727.

Adding to 42525171 its reverse (17152524), we get a palindrome (59677695).

The spelling of 42525171 in words is "forty-two million, five hundred twenty-five thousand, one hundred seventy-one".