42025042 has 8 divisors (see below), whose sum is σ = 63925632. Its totient is φ = 20716500.

The previous prime is 42025001. The next prime is 42025069. The reversal of 42025042 is 24052024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42025042² = 3532208310203528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147834 + ... + 148117.

It is an arithmetic number, because the mean of its divisors is an integer number (7990704).

Almost surely, 2^42025042 is an apocalyptic number.

42025042 is a deficient number, since it is larger than the sum of its proper divisors (21900590).

42025042 is a wasteful number, since it uses less digits than its factorization.

42025042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296024.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42025042 is about 6482.6724427508. The cubic root of 42025042 is about 347.6717354131.

Adding to 42025042 its reverse (24052024), we get a palindrome (66077066).

The spelling of 42025042 in words is "forty-two million, twenty-five thousand, forty-two".