42443025 has 12 divisors (see below), whose sum is σ = 70172592. Its totient is φ = 22636240.

The previous prime is 42442997. The next prime is 42443039. The reversal of 42443025 is 52034424.

It is not a de Polignac number, because 42443025 - 2⁵ = 42442993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42442986 and 42443004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282879 + ... + 283028.

It is an arithmetic number, because the mean of its divisors is an integer number (5847716).

Almost surely, 2^42443025 is an apocalyptic number.

It is an amenable number.

42443025 is a deficient number, since it is larger than the sum of its proper divisors (27729567).

42443025 is a wasteful number, since it uses less digits than its factorization.

42443025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565920 (or 565915 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42443025 is about 6514.8311566763. The cubic root of 42443025 is about 348.8205879651.

Adding to 42443025 its reverse (52034424), we get a palindrome (94477449).

The spelling of 42443025 in words is "forty-two million, four hundred forty-three thousand, twenty-five".