304253 has 2 divisors, whose sum is σ = 304254. Its totient is φ = 304252.

The previous prime is 304223. The next prime is 304259. The reversal of 304253 is 352403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284089 + 20164 = 533^2 + 142^2 .

It is an emirp because it is prime and its reverse (352403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304253 - 2⁸ = 303997 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152126 + 152127.

It is an arithmetic number, because the mean of its divisors is an integer number (152127).

2³⁰⁴²⁵³ is an apocalyptic number.

It is an amenable number.

304253 is a deficient number, since it is larger than the sum of its proper divisors (1).

304253 is an equidigital number, since it uses as much as digits as its factorization.

304253 is an evil number, because the sum of its binary digits is even.

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

The square root of 304253 is about 551.5913342321. The cubic root of 304253 is about 67.2581560291.

Adding to 304253 its reverse (352403), we get a palindrome (656656).

The spelling of 304253 in words is "three hundred four thousand, two hundred fifty-three".