42320024225 has 6 divisors (see below), whose sum is σ = 52476830070. Its totient is φ = 33856019360.

The previous prime is 42320024203. The next prime is 42320024287. The reversal of 42320024225 is 52242002324.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1188939361 + 41131084864 = 34481^2 + 202808^2 .

It is not a de Polignac number, because 42320024225 - 2⁸ = 42320023969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42320024194 and 42320024203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846400460 + ... + 846400509.

It is an arithmetic number, because the mean of its divisors is an integer number (8746138345).

Almost surely, 2^42320024225 is an apocalyptic number.

It is an amenable number.

42320024225 is a deficient number, since it is larger than the sum of its proper divisors (10156805845).

42320024225 is a wasteful number, since it uses less digits than its factorization.

42320024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692800979 (or 1692800974 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42320024225 its reverse (52242002324), we get a palindrome (94562026549).

The spelling of 42320024225 in words is "forty-two billion, three hundred twenty million, twenty-four thousand, two hundred twenty-five".