42127625 has 8 divisors (see below), whose sum is σ = 52575432. Its totient is φ = 33702000.

The previous prime is 42127607. The next prime is 42127639. The reversal of 42127625 is 52672124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13601344 + 28526281 = 3688^2 + 5341^2 .

It is not a de Polignac number, because 42127625 - 2²² = 37933321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168386 + ... + 168635.

It is an arithmetic number, because the mean of its divisors is an integer number (6571929).

Almost surely, 2^42127625 is an apocalyptic number.

It is an amenable number.

42127625 is a deficient number, since it is larger than the sum of its proper divisors (10447807).

42127625 is an equidigital number, since it uses as much as digits as its factorization.

42127625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337036 (or 337026 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 42127625 is about 6490.5797121675. The cubic root of 42127625 is about 347.9543940984.

Adding to 42127625 its reverse (52672124), we get a palindrome (94799749).

The spelling of 42127625 in words is "forty-two million, one hundred twenty-seven thousand, six hundred twenty-five".