255497 has 4 divisors (see below), whose sum is σ = 278736. Its totient is φ = 232260.

The previous prime is 255487. The next prime is 255499. The reversal of 255497 is 794552.

255497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 255497 - 2¹⁶ = 189961 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255497.

It is not an unprimeable number, because it can be changed into a prime (255499) 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, 11603 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (69684).

2²⁵⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

255497 is a deficient number, since it is larger than the sum of its proper divisors (23239).

255497 is a wasteful number, since it uses less digits than its factorization.

255497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23238.

The product of its digits is 12600, while the sum is 32.

The square root of 255497 is about 505.4671107006. The cubic root of 255497 is about 63.4544282114.

The spelling of 255497 in words is "two hundred fifty-five thousand, four hundred ninety-seven".