254389 has 2 divisors, whose sum is σ = 254390. Its totient is φ = 254388.

The previous prime is 254383. The next prime is 254407. The reversal of 254389 is 983452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 33489 = 470^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 254389 - 2¹¹ = 252341 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 5² + 3¹¹ + 4⁵ + 8⁴ + 9⁴ .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 254389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254383) 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, 127194 + 127195.

It is an arithmetic number, because the mean of its divisors is an integer number (127195).

2²⁵⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

254389 is a deficient number, since it is larger than the sum of its proper divisors (1).

254389 is an equidigital number, since it uses as much as digits as its factorization.

254389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 254389 is about 504.3699039396. The cubic root of 254389 is about 63.3625688355.

The spelling of 254389 in words is "two hundred fifty-four thousand, three hundred eighty-nine".