254242433 has 2 divisors, whose sum is σ = 254242434. Its totient is φ = 254242432.

The previous prime is 254242427. The next prime is 254242481. The reversal of 254242433 is 334242452.

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., 175085824 + 79156609 = 13232^2 + 8897^2 .

It is a cyclic number.

It is not a de Polignac number, because 254242433 - 2¹² = 254238337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254242396 and 254242405.

It is not a weakly prime, because it can be changed into another prime (254242403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127121216 + 127121217.

It is an arithmetic number, because the mean of its divisors is an integer number (127121217).

Almost surely, 2^254242433 is an apocalyptic number.

It is an amenable number.

254242433 is a deficient number, since it is larger than the sum of its proper divisors (1).

254242433 is an equidigital number, since it uses as much as digits as its factorization.

254242433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 29.

The square root of 254242433 is about 15944.9814361761. The cubic root of 254242433 is about 633.5039765176.

Adding to 254242433 its reverse (334242452), we get a palindrome (588484885).

The spelling of 254242433 in words is "two hundred fifty-four million, two hundred forty-two thousand, four hundred thirty-three".