254717 has 4 divisors (see below), whose sum is σ = 256320. Its totient is φ = 253116.

The previous prime is 254713. The next prime is 254729. The reversal of 254717 is 717452.

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 254717 - 2² = 254713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (64080).

2²⁵⁴⁷¹⁷ is an apocalyptic number.

It is an amenable number.

254717 is a deficient number, since it is larger than the sum of its proper divisors (1603).

254717 is a wasteful number, since it uses less digits than its factorization.

254717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its digits is 1960, while the sum is 26.

The square root of 254717 is about 504.6949573752. The cubic root of 254717 is about 63.3897896098.

The spelling of 254717 in words is "two hundred fifty-four thousand, seven hundred seventeen".