320253 has 4 divisors (see below), whose sum is σ = 427008. Its totient is φ = 213500.

The previous prime is 320239. The next prime is 320267. The reversal of 320253 is 352023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (320239) and next prime (320267).

It is a cyclic number.

It is not a de Polignac number, because 320253 - 2⁴ = 320237 is a prime.

It is a D-number.

320253 is a lucky number.

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 320253.

It is not an unprimeable number, because it can be changed into a prime (320213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53373 + ... + 53378.

It is an arithmetic number, because the mean of its divisors is an integer number (106752).

2³²⁰²⁵³ is an apocalyptic number.

It is an amenable number.

320253 is a deficient number, since it is larger than the sum of its proper divisors (106755).

320253 is a wasteful number, since it uses less digits than its factorization.

320253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106754.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 320253 is about 565.9090032859. The cubic root of 320253 is about 68.4170591150.

Adding to 320253 its reverse (352023), we get a palindrome (672276).

The spelling of 320253 in words is "three hundred twenty thousand, two hundred fifty-three".