42500542 has 12 divisors (see below), whose sum is σ = 74159280. Its totient is φ = 18214476.

The previous prime is 42500539. The next prime is 42500567. The reversal of 42500542 is 24500524.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 216742 + ... + 216937.

It is an arithmetic number, because the mean of its divisors is an integer number (6179940).

Almost surely, 2^42500542 is an apocalyptic number.

42500542 is a deficient number, since it is larger than the sum of its proper divisors (31658738).

42500542 is a wasteful number, since it uses less digits than its factorization.

42500542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433695 (or 433688 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42500542 is about 6519.2439745725. The cubic root of 42500542 is about 348.9780858318.

The spelling of 42500542 in words is "forty-two million, five hundred thousand, five hundred forty-two".