7551697 has 2 divisors, whose sum is σ = 7551698. Its totient is φ = 7551696.

The previous prime is 7551679. The next prime is 7551707. The reversal of 7551697 is 7961557.

Together with previous prime (7551679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 2954961 = 2144^2 + 1719^2 .

It is an emirp because it is prime and its reverse (7961557) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7551697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7551647) 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, 3775848 + 3775849.

It is an arithmetic number, because the mean of its divisors is an integer number (3775849).

Almost surely, 2^7551697 is an apocalyptic number.

It is an amenable number.

7551697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7551697 is an equidigital number, since it uses as much as digits as its factorization.

7551697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 40.

The square root of 7551697 is about 2748.0351162240. The cubic root of 7551697 is about 196.1921013293.

The spelling of 7551697 in words is "seven million, five hundred fifty-one thousand, six hundred ninety-seven".