662341697 has 2 divisors, whose sum is σ = 662341698. Its totient is φ = 662341696.

The previous prime is 662341679. The next prime is 662341723. The reversal of 662341697 is 796143266.

It is a Cunningham number, because it is equal to 25736²+1.

Together with previous prime (662341679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662341696 + 1 = 25736^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 662341697 - 2²² = 658147393 is a prime.

It is not a weakly prime, because it can be changed into another prime (662341627) 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, 331170848 + 331170849.

It is an arithmetic number, because the mean of its divisors is an integer number (331170849).

Almost surely, 2^662341697 is an apocalyptic number.

It is an amenable number.

662341697 is a deficient number, since it is larger than the sum of its proper divisors (1).

662341697 is an equidigital number, since it uses as much as digits as its factorization.

662341697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 662341697 is about 25736.0000194280. Note that the first 4 decimals coincide. The cubic root of 662341697 is about 871.6872602833.

The spelling of 662341697 in words is "six hundred sixty-two million, three hundred forty-one thousand, six hundred ninety-seven".