254777231 has 2 divisors, whose sum is σ = 254777232. Its totient is φ = 254777230.

The previous prime is 254777219. The next prime is 254777269. The reversal of 254777231 is 132777452.

It is an a-pointer prime, because the next prime (254777269) can be obtained adding 254777231 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254777231 - 2⁶ = 254777167 is a prime.

It is a super-2 number, since 2×254777231² = 129822874872054722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254777531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127388615 + 127388616.

It is an arithmetic number, because the mean of its divisors is an integer number (127388616).

Almost surely, 2^254777231 is an apocalyptic number.

254777231 is a deficient number, since it is larger than the sum of its proper divisors (1).

254777231 is an equidigital number, since it uses as much as digits as its factorization.

254777231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 38.

The square root of 254777231 is about 15961.7427306670. The cubic root of 254777231 is about 633.9478565056.

The spelling of 254777231 in words is "two hundred fifty-four million, seven hundred seventy-seven thousand, two hundred thirty-one".