42054425 has 24 divisors (see below), whose sum is σ = 60877056. Its totient is φ = 28218240.

The previous prime is 42054421. The next prime is 42054431. The reversal of 42054425 is 52445024.

It is not a de Polignac number, because 42054425 - 2² = 42054421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42054394 and 42054403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5669 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (2536544).

Almost surely, 2^42054425 is an apocalyptic number.

It is an amenable number.

42054425 is a deficient number, since it is larger than the sum of its proper divisors (18822631).

42054425 is a wasteful number, since it uses less digits than its factorization.

42054425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42054425 is about 6484.9383189048. The cubic root of 42054425 is about 347.7527447208.

Adding to 42054425 its reverse (52445024), we get a palindrome (94499449).

It can be divided in two parts, 420 and 54425, that added together give a palindrome (54845).

The spelling of 42054425 in words is "forty-two million, fifty-four thousand, four hundred twenty-five".