7997351 has 2 divisors, whose sum is σ = 7997352. Its totient is φ = 7997350.

The previous prime is 7997333. The next prime is 7997357. The reversal of 7997351 is 1537997.

It is a strong prime.

It is an emirp because it is prime and its reverse (1537997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7997351 - 2²² = 3803047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7997299 and 7997308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7997357) 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, 3998675 + 3998676.

It is an arithmetic number, because the mean of its divisors is an integer number (3998676).

Almost surely, 2^7997351 is an apocalyptic number.

7997351 is a deficient number, since it is larger than the sum of its proper divisors (1).

7997351 is an equidigital number, since it uses as much as digits as its factorization.

7997351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 41.

The square root of 7997351 is about 2827.9588045090. The cubic root of 7997351 is about 199.9779225630.

The spelling of 7997351 in words is "seven million, nine hundred ninety-seven thousand, three hundred fifty-one".