254204243 has 2 divisors, whose sum is σ = 254204244. Its totient is φ = 254204242.

The previous prime is 254204239. The next prime is 254204299. The reversal of 254204243 is 342402452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254204243 - 2² = 254204239 is a prime.

It is not a weakly prime, because it can be changed into another prime (254204843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127102121 + 127102122.

It is an arithmetic number, because the mean of its divisors is an integer number (127102122).

Almost surely, 2^254204243 is an apocalyptic number.

254204243 is a deficient number, since it is larger than the sum of its proper divisors (1).

254204243 is an equidigital number, since it uses as much as digits as its factorization.

254204243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 254204243 is about 15943.7838357148. The cubic root of 254204243 is about 633.4722551823.

Adding to 254204243 its reverse (342402452), we get a palindrome (596606695).

The spelling of 254204243 in words is "two hundred fifty-four million, two hundred four thousand, two hundred forty-three".