5207239 has 2 divisors, whose sum is σ = 5207240. Its totient is φ = 5207238.

The previous prime is 5207221. The next prime is 5207243. The reversal of 5207239 is 9327025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5207239 - 2⁵ = 5207207 is a prime.

5207239 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5207249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603619 + 2603620.

It is an arithmetic number, because the mean of its divisors is an integer number (2603620).

Almost surely, 2^5207239 is an apocalyptic number.

5207239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5207239 is an equidigital number, since it uses as much as digits as its factorization.

5207239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 5207239 is about 2281.9375539221. The cubic root of 5207239 is about 173.3281774436.

The spelling of 5207239 in words is "five million, two hundred seven thousand, two hundred thirty-nine".