42258925 has 6 divisors (see below), whose sum is σ = 52401098. Its totient is φ = 33807120.

The previous prime is 42258913. The next prime is 42258929. The reversal of 42258925 is 52985224.

42258925 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 4583881 + 37675044 = 2141^2 + 6138^2 .

It is not a de Polignac number, because 42258925 - 2⁵ = 42258893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258929) 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, 845154 + ... + 845203.

Almost surely, 2^42258925 is an apocalyptic number.

It is an amenable number.

42258925 is a deficient number, since it is larger than the sum of its proper divisors (10142173).

42258925 is a wasteful number, since it uses less digits than its factorization.

42258925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690367 (or 1690362 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 42258925 is about 6500.6865022088. The cubic root of 42258925 is about 348.3155112992.

The spelling of 42258925 in words is "forty-two million, two hundred fifty-eight thousand, nine hundred twenty-five".