42057625 has 16 divisors (see below), whose sum is σ = 53164800. Its totient is φ = 33212400.

The previous prime is 42057623. The next prime is 42057629. The reversal of 42057625 is 52675024.

It is not a de Polignac number, because 42057625 - 2¹ = 42057623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42057623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7746 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^42057625 is an apocalyptic number.

It is an amenable number.

42057625 is a deficient number, since it is larger than the sum of its proper divisors (11107175).

42057625 is an equidigital number, since it uses as much as digits as its factorization.

42057625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 42057625 is about 6485.1850397656. The cubic root of 42057625 is about 347.7615648831.

The spelling of 42057625 in words is "forty-two million, fifty-seven thousand, six hundred twenty-five".