42606425 has 12 divisors (see below), whose sum is σ = 54261036. Its totient is φ = 33163200.

The previous prime is 42606413. The next prime is 42606427. The reversal of 42606425 is 52460624.

42606425 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 6 ways, for example, as 1338649 + 41267776 = 1157^2 + 6424^2 .

It is not a de Polignac number, because 42606425 - 2⁴ = 42606409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42606427) 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 11 ways as a sum of consecutive naturals, for example, 22106 + ... + 23955.

It is an arithmetic number, because the mean of its divisors is an integer number (4521753).

Almost surely, 2^42606425 is an apocalyptic number.

It is an amenable number.

42606425 is a deficient number, since it is larger than the sum of its proper divisors (11654611).

42606425 is a wasteful number, since it uses less digits than its factorization.

42606425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46108 (or 46103 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 42606425 is about 6527.3597265663. The cubic root of 42606425 is about 349.2676523621.

The spelling of 42606425 in words is "forty-two million, six hundred six thousand, four hundred twenty-five".