254999231 has 2 divisors, whose sum is σ = 254999232. Its totient is φ = 254999230.

The previous prime is 254999221. The next prime is 254999237. The reversal of 254999231 is 132999452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254999231 is a prime.

It is a super-3 number, since 3×254999231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254999237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127499615 + 127499616.

It is an arithmetic number, because the mean of its divisors is an integer number (127499616).

Almost surely, 2^254999231 is an apocalyptic number.

254999231 is a deficient number, since it is larger than the sum of its proper divisors (1).

254999231 is an equidigital number, since it uses as much as digits as its factorization.

254999231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 254999231 is about 15968.6953443292. The cubic root of 254999231 is about 634.1319330896.

The spelling of 254999231 in words is "two hundred fifty-four million, nine hundred ninety-nine thousand, two hundred thirty-one".