254447 has 2 divisors, whose sum is σ = 254448. Its totient is φ = 254446.

The previous prime is 254437. The next prime is 254461. The reversal of 254447 is 744452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254447 - 2⁶ = 254383 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254447.

It is not a weakly prime, because it can be changed into another prime (254407) 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 as a sum of consecutive naturals, namely, 127223 + 127224.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2²⁵⁴⁴⁴⁷ is an apocalyptic number.

254447 is a deficient number, since it is larger than the sum of its proper divisors (1).

254447 is an equidigital number, since it uses as much as digits as its factorization.

254447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 26.

The square root of 254447 is about 504.4273981457. The cubic root of 254447 is about 63.3673839673.

Adding to 254447 its reverse (744452), we get a palindrome (998899).

The spelling of 254447 in words is "two hundred fifty-four thousand, four hundred forty-seven".