253985759 has 8 divisors (see below), whose sum is σ = 262522368. Its totient is φ = 245470680.

The previous prime is 253985747. The next prime is 253985777. The reversal of 253985759 is 957589352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253985759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253985759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253985059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20684 + ... + 30590.

It is an arithmetic number, because the mean of its divisors is an integer number (32815296).

Almost surely, 2^253985759 is an apocalyptic number.

253985759 is a deficient number, since it is larger than the sum of its proper divisors (8536609).

253985759 is an equidigital number, since it uses as much as digits as its factorization.

253985759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765.

The product of its digits is 3402000, while the sum is 53.

The square root of 253985759 is about 15936.9306643406. The cubic root of 253985759 is about 633.2907171386.

The spelling of 253985759 in words is "two hundred fifty-three million, nine hundred eighty-five thousand, seven hundred fifty-nine".