42056325 has 18 divisors (see below), whose sum is σ = 75327954. Its totient is φ = 22429920.

The previous prime is 42056303. The next prime is 42056359. The reversal of 42056325 is 52365024.

42056325 is a `hidden beast` number, since 4 + 20 + 5 + 632 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 12047841 + 30008484 = 3471^2 + 5478^2 .

It is not a de Polignac number, because 42056325 - 2¹² = 42052229 is a prime.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 93234 + ... + 93683.

Almost surely, 2^42056325 is an apocalyptic number.

42056325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42056325 is a deficient number, since it is larger than the sum of its proper divisors (33271629).

42056325 is a wasteful number, since it uses less digits than its factorization.

42056325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186933 (or 186925 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42056325 is about 6485.0848105480. The cubic root of 42056325 is about 347.7579817461.

The spelling of 42056325 in words is "forty-two million, fifty-six thousand, three hundred twenty-five".