255953 has 4 divisors (see below), whose sum is σ = 257088. Its totient is φ = 254820.

The previous prime is 255947. The next prime is 255961. The reversal of 255953 is 359552.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 255953 - 2¹⁰ = 254929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255923) 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, 101 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (64272).

2²⁵⁵⁹⁵³ is an apocalyptic number.

It is an amenable number.

255953 is a deficient number, since it is larger than the sum of its proper divisors (1135).

255953 is an equidigital number, since it uses as much as digits as its factorization.

255953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its digits is 6750, while the sum is 29.

The square root of 255953 is about 505.9179775418. The cubic root of 255953 is about 63.4921560154.

It can be divided in two parts, 2 and 55953, that added together give a palindrome (55955).

The spelling of 255953 in words is "two hundred fifty-five thousand, nine hundred fifty-three".