5438129 has 2 divisors, whose sum is σ = 5438130. Its totient is φ = 5438128.

The previous prime is 5438107. The next prime is 5438131. The reversal of 5438129 is 9218345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4092529 + 1345600 = 2023^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5438129 is a prime.

It is a Sophie Germain prime.

Together with 5438131, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5438095 and 5438104.

It is not a weakly prime, because it can be changed into another prime (5438159) 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, 2719064 + 2719065.

It is an arithmetic number, because the mean of its divisors is an integer number (2719065).

Almost surely, 2^5438129 is an apocalyptic number.

It is an amenable number.

5438129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438129 is an equidigital number, since it uses as much as digits as its factorization.

5438129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 5438129 is about 2331.9796311289. The cubic root of 5438129 is about 175.8530216618.

It can be divided in two parts, 54 and 38129, that added together give a palindrome (38183).

The spelling of 5438129 in words is "five million, four hundred thirty-eight thousand, one hundred twenty-nine".