42025064 has 16 divisors (see below), whose sum is σ = 78869700. Its totient is φ = 20993152.

The previous prime is 42025001. The next prime is 42025069. The reversal of 42025064 is 46052024.

It can be written as a sum of positive squares in 2 ways, for example, as 38962564 + 3062500 = 6242^2 + 1750^2 .

It is a super-2 number, since 2×42025064² = 3532212008408192, which contains 22 as substring.

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

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, 11492 + ... + 14700.

Almost surely, 2^42025064 is an apocalyptic number.

It is an amenable number.

42025064 is a deficient number, since it is larger than the sum of its proper divisors (36844636).

42025064 is a wasteful number, since it uses less digits than its factorization.

42025064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852 (or 4848 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42025064 is about 6482.6741395816. The cubic root of 42025064 is about 347.6717960815.

Adding to 42025064 its reverse (46052024), we get a palindrome (88077088).

The spelling of 42025064 in words is "forty-two million, twenty-five thousand, sixty-four".