5271397 has 2 divisors, whose sum is σ = 5271398. Its totient is φ = 5271396.

The previous prime is 5271373. The next prime is 5271401. The reversal of 5271397 is 7931725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2819041 + 2452356 = 1679^2 + 1566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5271307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635698 + 2635699.

It is an arithmetic number, because the mean of its divisors is an integer number (2635699).

Almost surely, 2^5271397 is an apocalyptic number.

It is an amenable number.

5271397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271397 is an equidigital number, since it uses as much as digits as its factorization.

5271397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 34.

The square root of 5271397 is about 2295.9523078670. The cubic root of 5271397 is about 174.0371282024.

The spelling of 5271397 in words is "five million, two hundred seventy-one thousand, three hundred ninety-seven".