42525105 has 16 divisors (see below), whose sum is σ = 77760384. Its totient is φ = 19440000.

The previous prime is 42525103. The next prime is 42525127. The reversal of 42525105 is 50152524.

It is a happy number.

It is not a de Polignac number, because 42525105 - 2¹ = 42525103 is a prime.

It is a super-2 number, since 2×42525105² = 3616769110522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42525103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 202396 + ... + 202605.

It is an arithmetic number, because the mean of its divisors is an integer number (4860024).

Almost surely, 2^42525105 is an apocalyptic number.

It is an amenable number.

42525105 is a deficient number, since it is larger than the sum of its proper divisors (35235279).

42525105 is a wasteful number, since it uses less digits than its factorization.

42525105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405016.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42525105 is about 6521.1275865451. The cubic root of 42525105 is about 349.0453029972.

Adding to 42525105 its reverse (50152524), we get a palindrome (92677629).

The spelling of 42525105 in words is "forty-two million, five hundred twenty-five thousand, one hundred five".