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7297 is a prime number

7297 has 2 divisors, whose sum is σ = 7298. Its totient is φ = 7296.

The previous prime is 7283. The next prime is 7307. The reversal of 7297 is 7927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5776 + 1521 = 76^2 + 39^2 .

It is an emirp because it is prime and its reverse (7927) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7297 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (7207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3648 + 3649.

It is an arithmetic number, because the mean of its divisors is an integer number (3649).

It is a Proth number, since it is equal to 57 ⋅ 27 + 1 and 57 < 27.

27297 is an apocalyptic number.

It is an amenable number.

7297 is a deficient number, since it is larger than the sum of its proper divisors (1).

7297 is an equidigital number, since it uses as much as digits as its factorization.

7297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 25.

The square root of 7297 is about 85.4224794770. The cubic root of 7297 is about 19.3961164154.

Subtracting 7297 from its reverse (7927), we obtain a triangular number (630 = T35).

It can be divided in two parts, 72 and 97, that added together give a square (169 = 132).

The spelling of 7297 in words is "seven thousand, two hundred ninety-seven".