5128427 has 2 divisors, whose sum is σ = 5128428. Its totient is φ = 5128426.

The previous prime is 5128421. The next prime is 5128433. The reversal of 5128427 is 7248215.

It is a balanced prime because it is at equal distance from previous prime (5128421) and next prime (5128433).

It is a cyclic number.

It is not a de Polignac number, because 5128427 - 2⁶ = 5128363 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5128427.

It is not a weakly prime, because it can be changed into another prime (5128421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564213 + 2564214.

It is an arithmetic number, because the mean of its divisors is an integer number (2564214).

Almost surely, 2^5128427 is an apocalyptic number.

5128427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128427 is an equidigital number, since it uses as much as digits as its factorization.

5128427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 5128427 is about 2264.6030557252. The cubic root of 5128427 is about 172.4492828566.

It can be divided in two parts, 5128 and 427, that added together give a palindrome (5555).

The spelling of 5128427 in words is "five million, one hundred twenty-eight thousand, four hundred twenty-seven".