254923 has 4 divisors (see below), whose sum is σ = 268360. Its totient is φ = 241488.

The previous prime is 254911. The next prime is 254927. The reversal of 254923 is 329452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254923 - 2¹³ = 246731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

254923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (254927) 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, 6690 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (67090).

2²⁵⁴⁹²³ is an apocalyptic number.

254923 is a deficient number, since it is larger than the sum of its proper divisors (13437).

254923 is a wasteful number, since it uses less digits than its factorization.

254923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436.

The product of its digits is 2160, while the sum is 25.

The square root of 254923 is about 504.8989998010. The cubic root of 254923 is about 63.4068736390.

Subtracting 254923 from its reverse (329452), we obtain a square (74529 = 273²).

The spelling of 254923 in words is "two hundred fifty-four thousand, nine hundred twenty-three".