42342425 has 24 divisors (see below), whose sum is σ = 55204800. Its totient is φ = 32155200.

The previous prime is 42342403. The next prime is 42342439. The reversal of 42342425 is 52424324.

It is a happy number.

It is not a de Polignac number, because 42342425 - 2⁸ = 42342169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42342394 and 42342403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121151 + ... + 121499.

It is an arithmetic number, because the mean of its divisors is an integer number (2300200).

Almost surely, 2^42342425 is an apocalyptic number.

It is an amenable number.

42342425 is a deficient number, since it is larger than the sum of its proper divisors (12862375).

42342425 is a wasteful number, since it uses less digits than its factorization.

42342425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 588 counting only the distinct ones).

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

The square root of 42342425 is about 6507.1057314293. The cubic root of 42342425 is about 348.5447741917.

Adding to 42342425 its reverse (52424324), we get a palindrome (94766749).

The spelling of 42342425 in words is "forty-two million, three hundred forty-two thousand, four hundred twenty-five".