253317 has 8 divisors (see below), whose sum is σ = 357696. Its totient is φ = 158912.

The previous prime is 253307. The next prime is 253321. The reversal of 253317 is 713352.

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 253317 - 2¹⁰ = 252293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253293 and 253302.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253317.

It is not an unprimeable number, because it can be changed into a prime (253307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (44712).

2²⁵³³¹⁷ is an apocalyptic number.

It is an amenable number.

253317 is a deficient number, since it is larger than the sum of its proper divisors (104379).

253317 is a wasteful number, since it uses less digits than its factorization.

253317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987.

The product of its digits is 630, while the sum is 21.

The square root of 253317 is about 503.3060699018. The cubic root of 253317 is about 63.2734398378.

Adding to 253317 its reverse (713352), we get a palindrome (966669).

The spelling of 253317 in words is "two hundred fifty-three thousand, three hundred seventeen".