42025604 has 24 divisors (see below), whose sum is σ = 74964120. Its totient is φ = 20611584.

The previous prime is 42025583. The next prime is 42025631. The reversal of 42025604 is 40652024.

It can be written as a sum of positive squares in 4 ways, for example, as 448900 + 41576704 = 670^2 + 6448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42025604.

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 7 ways as a sum of consecutive naturals, for example, 48842 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (3123505).

Almost surely, 2^42025604 is an apocalyptic number.

It is an amenable number.

42025604 is a deficient number, since it is larger than the sum of its proper divisors (32938516).

42025604 is a wasteful number, since it uses less digits than its factorization.

42025604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

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

The square root of 42025604 is about 6482.7157889267. The cubic root of 42025604 is about 347.6732852084.

Adding to 42025604 its reverse (40652024), we get a palindrome (82677628).

The spelling of 42025604 in words is "forty-two million, twenty-five thousand, six hundred four".