253799 has 8 divisors (see below), whose sum is σ = 312480. Its totient is φ = 200736.

The previous prime is 253789. The next prime is 253801. The reversal of 253799 is 997352.

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 253799 - 2⁸ = 253543 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2²⁵³⁷⁹⁹ is an apocalyptic number.

253799 is a deficient number, since it is larger than the sum of its proper divisors (58681).

253799 is a wasteful number, since it uses less digits than its factorization.

253799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809.

The product of its digits is 17010, while the sum is 35.

The square root of 253799 is about 503.7846762259. The cubic root of 253799 is about 63.3135456804.

The spelling of 253799 in words is "two hundred fifty-three thousand, seven hundred ninety-nine".