254542429 has 2 divisors, whose sum is σ = 254542430. Its totient is φ = 254542428.

The previous prime is 254542427. The next prime is 254542439. The reversal of 254542429 is 924245452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209960100 + 44582329 = 14490^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 254542429 - 2¹ = 254542427 is a prime.

It is a super-2 number, since 2×254542429² = 129583696322440082, which contains 22 as substring.

Together with 254542427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254542423) 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, 127271214 + 127271215.

It is an arithmetic number, because the mean of its divisors is an integer number (127271215).

Almost surely, 2^254542429 is an apocalyptic number.

It is an amenable number.

254542429 is a deficient number, since it is larger than the sum of its proper divisors (1).

254542429 is an equidigital number, since it uses as much as digits as its factorization.

254542429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 254542429 is about 15954.3858860189. The cubic root of 254542429 is about 633.7530484443.

It can be divided in two parts, 25 and 4542429, that added together give a palindrome (4542454).

The spelling of 254542429 in words is "two hundred fifty-four million, five hundred forty-two thousand, four hundred twenty-nine".