254497 has 4 divisors (see below), whose sum is σ = 256276. Its totient is φ = 252720.

The previous prime is 254491. The next prime is 254519. The reversal of 254497 is 794452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 118336 = 369^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 254497 - 2³ = 254489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254491) 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, 654 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (64069).

2²⁵⁴⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

254497 is a deficient number, since it is larger than the sum of its proper divisors (1779).

254497 is a wasteful number, since it uses less digits than its factorization.

254497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778.

The product of its digits is 10080, while the sum is 31.

The square root of 254497 is about 504.4769568573. The cubic root of 254497 is about 63.3715343558.

The spelling of 254497 in words is "two hundred fifty-four thousand, four hundred ninety-seven".