254407 has 2 divisors, whose sum is σ = 254408. Its totient is φ = 254406.

The previous prime is 254389. The next prime is 254413. The reversal of 254407 is 704452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254407 - 2⁷ = 254279 is a prime.

254407 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127203 + 127204.

It is an arithmetic number, because the mean of its divisors is an integer number (127204).

2²⁵⁴⁴⁰⁷ is an apocalyptic number.

254407 is a deficient number, since it is larger than the sum of its proper divisors (1).

254407 is an equidigital number, since it uses as much as digits as its factorization.

254407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 254407 is about 504.3877476704. The cubic root of 254407 is about 63.3640632650.

Adding to 254407 its reverse (704452), we get a palindrome (958859).

The spelling of 254407 in words is "two hundred fifty-four thousand, four hundred seven".