340253 has 8 divisors (see below), whose sum is σ = 355200. Its totient is φ = 325728.

The previous prime is 340237. The next prime is 340261. The reversal of 340253 is 352043.

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 340253 - 2⁴ = 340237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

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 340253.

It is not an unprimeable number, because it can be changed into a prime (340283) 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, 4268 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (44400).

2³⁴⁰²⁵³ is an apocalyptic number.

It is an amenable number.

340253 is a deficient number, since it is larger than the sum of its proper divisors (14947).

340253 is an equidigital number, since it uses as much as digits as its factorization.

340253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 340253 is about 583.3120948515. The cubic root of 340253 is about 69.8126281534.

Adding to 340253 its reverse (352043), we get a palindrome (692296).

The spelling of 340253 in words is "three hundred forty thousand, two hundred fifty-three".