4000259 has 4 divisors (see below), whose sum is σ = 4068120. Its totient is φ = 3932400.

The previous prime is 4000237. The next prime is 4000261. The reversal of 4000259 is 9520004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000259 is a prime.

It is a Duffinian number.

4000259 is a modest number, since divided by 259 gives 4 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4000259.

It is not an unprimeable number, because it can be changed into a prime (4000159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33842 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (1017030).

Almost surely, 2^4000259 is an apocalyptic number.

4000259 is a deficient number, since it is larger than the sum of its proper divisors (67861).

4000259 is an equidigital number, since it uses as much as digits as its factorization.

4000259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4000259 is about 2000.0647489519. The cubic root of 4000259 is about 158.7435312635.

The spelling of 4000259 in words is "four million, two hundred fifty-nine", and thus it is an aban number.