42356959 has 4 divisors (see below), whose sum is σ = 42501816. Its totient is φ = 42212104.

The previous prime is 42356957. The next prime is 42356983. The reversal of 42356959 is 95965324.

42356959 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 42356959 - 2¹ = 42356957 is a prime.

It is a super-2 number, since 2×42356959² = 3588223951455362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42356953) 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, 71989 + ... + 72574.

It is an arithmetic number, because the mean of its divisors is an integer number (10625454).

Almost surely, 2^42356959 is an apocalyptic number.

42356959 is a deficient number, since it is larger than the sum of its proper divisors (144857).

42356959 is a wasteful number, since it uses less digits than its factorization.

42356959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144856.

The product of its digits is 291600, while the sum is 43.

The square root of 42356959 is about 6508.2224147612. Note that the first 3 decimals coincide. The cubic root of 42356959 is about 348.5846488584.

The spelling of 42356959 in words is "forty-two million, three hundred fifty-six thousand, nine hundred fifty-nine".