42075125 has 16 divisors (see below), whose sum is σ = 52695552. Its totient is φ = 33541200.

The previous prime is 42075109. The next prime is 42075127. The reversal of 42075125 is 52157024.

It is not a de Polignac number, because 42075125 - 2⁴ = 42075109 is a prime.

It is a super-2 number, since 2×42075125² = 3540632287531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42075094 and 42075103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42075127) 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 15 ways as a sum of consecutive naturals, for example, 57512 + ... + 58238.

It is an arithmetic number, because the mean of its divisors is an integer number (3293472).

Almost surely, 2^42075125 is an apocalyptic number.

It is an amenable number.

42075125 is a deficient number, since it is larger than the sum of its proper divisors (10620427).

42075125 is an equidigital number, since it uses as much as digits as its factorization.

42075125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 42075125 is about 6486.5341284849. The cubic root of 42075125 is about 347.8097922337.

The spelling of 42075125 in words is "forty-two million, seventy-five thousand, one hundred twenty-five".