5209397 has 2 divisors, whose sum is σ = 5209398. Its totient is φ = 5209396.

The previous prime is 5209387. The next prime is 5209403. The reversal of 5209397 is 7939025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5080516 + 128881 = 2254^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 5209397 - 2⁴ = 5209381 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5209307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604698 + 2604699.

It is an arithmetic number, because the mean of its divisors is an integer number (2604699).

Almost surely, 2^5209397 is an apocalyptic number.

It is an amenable number.

5209397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5209397 is an equidigital number, since it uses as much as digits as its factorization.

5209397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 5209397 is about 2282.4103487322. The cubic root of 5209397 is about 173.3521178689.

The spelling of 5209397 in words is "five million, two hundred nine thousand, three hundred ninety-seven".