42606259 has 4 divisors (see below), whose sum is σ = 43020016. Its totient is φ = 42192504.

The previous prime is 42606253. The next prime is 42606283. The reversal of 42606259 is 95260624.

42606259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42606259 - 2³ = 42606251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42606251) 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 3 ways as a sum of consecutive naturals, for example, 206724 + ... + 206929.

It is an arithmetic number, because the mean of its divisors is an integer number (10755004).

Almost surely, 2^42606259 is an apocalyptic number.

42606259 is a deficient number, since it is larger than the sum of its proper divisors (413757).

42606259 is a wasteful number, since it uses less digits than its factorization.

42606259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413756.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 42606259 is about 6527.3470108460. The cubic root of 42606259 is about 349.2671987646.

The spelling of 42606259 in words is "forty-two million, six hundred six thousand, two hundred fifty-nine".