254271389 has 2 divisors, whose sum is σ = 254271390. Its totient is φ = 254271388.

The previous prime is 254271373. The next prime is 254271403. The reversal of 254271389 is 983172452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166848889 + 87422500 = 12917^2 + 9350^2 .

It is a cyclic number.

It is not a de Polignac number, because 254271389 - 2⁴ = 254271373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254271349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127135694 + 127135695.

It is an arithmetic number, because the mean of its divisors is an integer number (127135695).

Almost surely, 2^254271389 is an apocalyptic number.

It is an amenable number.

254271389 is a deficient number, since it is larger than the sum of its proper divisors (1).

254271389 is an equidigital number, since it uses as much as digits as its factorization.

254271389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 254271389 is about 15945.8894076185. The cubic root of 254271389 is about 633.5280258007.

The spelling of 254271389 in words is "two hundred fifty-four million, two hundred seventy-one thousand, three hundred eighty-nine".