254434 has 4 divisors (see below), whose sum is σ = 381654. Its totient is φ = 127216.

The previous prime is 254413. The next prime is 254437. The reversal of 254434 is 434452.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 245025 + 9409 = 495^2 + 97^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (254437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63607 + ... + 63610.

2²⁵⁴⁴³⁴ is an apocalyptic number.

254434 is a deficient number, since it is larger than the sum of its proper divisors (127220).

254434 is a wasteful number, since it uses less digits than its factorization.

254434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127219.

The product of its digits is 1920, while the sum is 22.

The square root of 254434 is about 504.4145120831. The cubic root of 254434 is about 63.3663047772.

Adding to 254434 its reverse (434452), we get a palindrome (688886).

The spelling of 254434 in words is "two hundred fifty-four thousand, four hundred thirty-four".