7997357 has 2 divisors, whose sum is σ = 7997358. Its totient is φ = 7997356.

The previous prime is 7997351. The next prime is 7997377. The reversal of 7997357 is 7537997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 2399401 = 2366^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 7997357 - 2¹⁰ = 7996333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7997351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3998678 + 3998679.

It is an arithmetic number, because the mean of its divisors is an integer number (3998679).

Almost surely, 2^7997357 is an apocalyptic number.

It is an amenable number.

7997357 is a deficient number, since it is larger than the sum of its proper divisors (1).

7997357 is an equidigital number, since it uses as much as digits as its factorization.

7997357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 416745, while the sum is 47.

The square root of 7997357 is about 2827.9598653446. The cubic root of 7997357 is about 199.9779725741.

The spelling of 7997357 in words is "seven million, nine hundred ninety-seven thousand, three hundred fifty-seven".