5391247 has 2 divisors, whose sum is σ = 5391248. Its totient is φ = 5391246.

The previous prime is 5391209. The next prime is 5391257. The reversal of 5391247 is 7421935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5391247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5391257) 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, 2695623 + 2695624.

It is an arithmetic number, because the mean of its divisors is an integer number (2695624).

Almost surely, 2^5391247 is an apocalyptic number.

5391247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391247 is an equidigital number, since it uses as much as digits as its factorization.

5391247 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5391247 is about 2321.9058981793. The cubic root of 5391247 is about 175.3462207063.

The spelling of 5391247 in words is "five million, three hundred ninety-one thousand, two hundred forty-seven".