42354425 has 6 divisors (see below), whose sum is σ = 52519518. Its totient is φ = 33883520.

The previous prime is 42354421. The next prime is 42354427. The reversal of 42354425 is 52445324.

42354425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 42354064 = 19^2 + 6508^2 .

It is not a de Polignac number, because 42354425 - 2² = 42354421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847064 + ... + 847113.

It is an arithmetic number, because the mean of its divisors is an integer number (8753253).

Almost surely, 2^42354425 is an apocalyptic number.

It is an amenable number.

42354425 is a deficient number, since it is larger than the sum of its proper divisors (10165093).

42354425 is a wasteful number, since it uses less digits than its factorization.

42354425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694187 (or 1694182 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 42354425 is about 6508.0277350362. The cubic root of 42354425 is about 348.5776973748.

Adding to 42354425 its reverse (52445324), we get a palindrome (94799749).

The spelling of 42354425 in words is "forty-two million, three hundred fifty-four thousand, four hundred twenty-five".