42025039 has 8 divisors (see below), whose sum is σ = 48454560. Its totient is φ = 35702016.

The previous prime is 42025001. The next prime is 42025069. The reversal of 42025039 is 93052024.

It is a happy number.

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

It is not a de Polignac number, because 42025039 - 2¹⁹ = 41500751 is a prime.

It is a super-2 number, since 2×42025039² = 3532207805903042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25774 + ... + 27355.

It is an arithmetic number, because the mean of its divisors is an integer number (6056820).

Almost surely, 2^42025039 is an apocalyptic number.

42025039 is a deficient number, since it is larger than the sum of its proper divisors (6429521).

42025039 is a wasteful number, since it uses less digits than its factorization.

42025039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53249.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 42025039 is about 6482.6722113647. The cubic root of 42025039 is about 347.6717271401.

The spelling of 42025039 in words is "forty-two million, twenty-five thousand, thirty-nine".