1796531897 has 2 divisors, whose sum is σ = 1796531898. Its totient is φ = 1796531896.

The previous prime is 1796531879. The next prime is 1796531911. The reversal of 1796531897 is 7981356971.

Together with previous prime (1796531879) 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., 1325251216 + 471280681 = 36404^2 + 21709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1796531897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1796531837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898265948 + 898265949.

It is an arithmetic number, because the mean of its divisors is an integer number (898265949).

Almost surely, 2^1796531897 is an apocalyptic number.

It is an amenable number.

1796531897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1796531897 is an equidigital number, since it uses as much as digits as its factorization.

1796531897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 56.

The square root of 1796531897 is about 42385.5151791269. The cubic root of 1796531897 is about 1215.6586485682.

The spelling of 1796531897 in words is "one billion, seven hundred ninety-six million, five hundred thirty-one thousand, eight hundred ninety-seven".