254109433 has 2 divisors, whose sum is σ = 254109434. Its totient is φ = 254109432.

The previous prime is 254109413. The next prime is 254109437. The reversal of 254109433 is 334901452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232654009 + 21455424 = 15253^2 + 4632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254109433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254109395 and 254109404.

It is not a weakly prime, because it can be changed into another prime (254109437) 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, 127054716 + 127054717.

It is an arithmetic number, because the mean of its divisors is an integer number (127054717).

Almost surely, 2^254109433 is an apocalyptic number.

It is an amenable number.

254109433 is a deficient number, since it is larger than the sum of its proper divisors (1).

254109433 is an equidigital number, since it uses as much as digits as its factorization.

254109433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 254109433 is about 15940.8102993543. The cubic root of 254109433 is about 633.3934904692.

It can be divided in two parts, 25410 and 9433, that added together give a palindrome (34843).

The spelling of 254109433 in words is "two hundred fifty-four million, one hundred nine thousand, four hundred thirty-three".