254998369 has 2 divisors, whose sum is σ = 254998370. Its totient is φ = 254998368.

The previous prime is 254998349. The next prime is 254998391. The reversal of 254998369 is 963899452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188787600 + 66210769 = 13740^2 + 8137^2 .

It is a cyclic number.

It is not a de Polignac number, because 254998369 - 2⁹ = 254997857 is a prime.

It is a super-2 number, since 2×254998369² = 130048336385320322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254998349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127499184 + 127499185.

It is an arithmetic number, because the mean of its divisors is an integer number (127499185).

Almost surely, 2^254998369 is an apocalyptic number.

It is an amenable number.

254998369 is a deficient number, since it is larger than the sum of its proper divisors (1).

254998369 is an equidigital number, since it uses as much as digits as its factorization.

254998369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The square root of 254998369 is about 15968.6683539987. The cubic root of 254998369 is about 634.1312185484.

The spelling of 254998369 in words is "two hundred fifty-four million, nine hundred ninety-eight thousand, three hundred sixty-nine".