42179525 has 12 divisors (see below), whose sum is σ = 55056000. Its totient is φ = 31967280.

The previous prime is 42179491. The next prime is 42179531. The reversal of 42179525 is 52597124.

42179525 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 42179525 - 2¹⁰ = 42178501 is a prime.

It is a super-2 number, since 2×42179525² = 3558224658451250, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 43925 + ... + 44874.

It is an arithmetic number, because the mean of its divisors is an integer number (4588000).

Almost surely, 2^42179525 is an apocalyptic number.

It is an amenable number.

42179525 is a deficient number, since it is larger than the sum of its proper divisors (12876475).

42179525 is a wasteful number, since it uses less digits than its factorization.

42179525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88828 (or 88823 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 42179525 is about 6494.5765835811. The cubic root of 42179525 is about 348.0972253336.

The spelling of 42179525 in words is "forty-two million, one hundred seventy-nine thousand, five hundred twenty-five".