259065042 has 8 divisors (see below), whose sum is σ = 518130096. Its totient is φ = 86355012.

The previous prime is 259065041. The next prime is 259065061. The reversal of 259065042 is 240560952.

It is a sphenic number, since it is the product of 3 distinct primes.

259065042 is an admirable number.

It is a super-2 number, since 2×259065042² = 134229391972923528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259064994 and 259065012.

It is not an unprimeable number, because it can be changed into a prime (259065041) 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, 21588748 + ... + 21588759.

It is an arithmetic number, because the mean of its divisors is an integer number (64766262).

Almost surely, 2^259065042 is an apocalyptic number.

259065042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259065042 is a wasteful number, since it uses less digits than its factorization.

259065042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43177512.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 259065042 is about 16095.4975691962. The cubic root of 259065042 is about 637.4844631354.

The spelling of 259065042 in words is "two hundred fifty-nine million, sixty-five thousand, forty-two".