254047243 has 2 divisors, whose sum is σ = 254047244. Its totient is φ = 254047242.

The previous prime is 254047237. The next prime is 254047253. The reversal of 254047243 is 342740452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254047243 - 2²¹ = 251950091 is a prime.

It is not a weakly prime, because it can be changed into another prime (254047253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127023621 + 127023622.

It is an arithmetic number, because the mean of its divisors is an integer number (127023622).

Almost surely, 2^254047243 is an apocalyptic number.

254047243 is a deficient number, since it is larger than the sum of its proper divisors (1).

254047243 is an equidigital number, since it uses as much as digits as its factorization.

254047243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 254047243 is about 15938.8595263275. The cubic root of 254047243 is about 633.3418146294.

Adding to 254047243 its reverse (342740452), we get a palindrome (596787695).

The spelling of 254047243 in words is "two hundred fifty-four million, forty-seven thousand, two hundred forty-three".