253859 has 8 divisors (see below), whose sum is σ = 276480. Its totient is φ = 232200.

The previous prime is 253853. The next prime is 253867. The reversal of 253859 is 958352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 253859 - 2¹² = 249763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253853) 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 7 ways as a sum of consecutive naturals, for example, 374 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2²⁵³⁸⁵⁹ is an apocalyptic number.

253859 is a deficient number, since it is larger than the sum of its proper divisors (22621).

253859 is a wasteful number, since it uses less digits than its factorization.

253859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its digits is 10800, while the sum is 32.

The square root of 253859 is about 503.8442219575. The cubic root of 253859 is about 63.3185345540.

The spelling of 253859 in words is "two hundred fifty-three thousand, eight hundred fifty-nine".