42502075 has 24 divisors (see below), whose sum is σ = 65710080. Its totient is φ = 26493600.

The previous prime is 42502067. The next prime is 42502099. The reversal of 42502075 is 57020524.

42502075 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 42502075 - 2³ = 42502067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 9115 + ... + 12964.

It is an arithmetic number, because the mean of its divisors is an integer number (2737920).

Almost surely, 2^42502075 is an apocalyptic number.

42502075 is a deficient number, since it is larger than the sum of its proper divisors (23208005).

42502075 is a wasteful number, since it uses less digits than its factorization.

42502075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22107 (or 22102 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 42502075 is about 6519.3615484954. The cubic root of 42502075 is about 348.9822816762.

Adding to 42502075 its reverse (57020524), we get a palindrome (99522599).

The spelling of 42502075 in words is "forty-two million, five hundred two thousand, seventy-five".