5245439 has 2 divisors, whose sum is σ = 5245440. Its totient is φ = 5245438.

The previous prime is 5245423. The next prime is 5245459. The reversal of 5245439 is 9345425.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5245439 - 2⁴ = 5245423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5245459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622719 + 2622720.

It is an arithmetic number, because the mean of its divisors is an integer number (2622720).

Almost surely, 2^5245439 is an apocalyptic number.

5245439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245439 is an equidigital number, since it uses as much as digits as its factorization.

5245439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 5245439 is about 2290.2923394187. The cubic root of 5245439 is about 173.7509870033.

The spelling of 5245439 in words is "five million, two hundred forty-five thousand, four hundred thirty-nine".