1017660697 has 2 divisors, whose sum is σ = 1017660698. Its totient is φ = 1017660696.

The previous prime is 1017660643. The next prime is 1017660719. The reversal of 1017660697 is 7960667101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771672841 + 245987856 = 27779^2 + 15684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017660697 - 2⁷ = 1017660569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1017600697) 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, 508830348 + 508830349.

It is an arithmetic number, because the mean of its divisors is an integer number (508830349).

Almost surely, 2^1017660697 is an apocalyptic number.

It is an amenable number.

1017660697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017660697 is an equidigital number, since it uses as much as digits as its factorization.

1017660697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1017660697 is about 31900.7946139277. The cubic root of 1017660697 is about 1005.8525794911.

The spelling of 1017660697 in words is "one billion, seventeen million, six hundred sixty thousand, six hundred ninety-seven".