5139427 has 2 divisors, whose sum is σ = 5139428. Its totient is φ = 5139426.

The previous prime is 5139413. The next prime is 5139451. The reversal of 5139427 is 7249315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5139427 - 2¹⁹ = 4615139 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5139527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569713 + 2569714.

It is an arithmetic number, because the mean of its divisors is an integer number (2569714).

Almost surely, 2^5139427 is an apocalyptic number.

5139427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139427 is an equidigital number, since it uses as much as digits as its factorization.

5139427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 5139427 is about 2267.0304364962. The cubic root of 5139427 is about 172.5724907115.

The spelling of 5139427 in words is "five million, one hundred thirty-nine thousand, four hundred twenty-seven".