1712800997 has 2 divisors, whose sum is σ = 1712800998. Its totient is φ = 1712800996.

The previous prime is 1712800993. The next prime is 1712801011. The reversal of 1712800997 is 7990082171.

It is a Cunningham number, because it is equal to 41386²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712800996 + 1 = 41386^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712800997 - 2² = 1712800993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1712800993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856400498 + 856400499.

It is an arithmetic number, because the mean of its divisors is an integer number (856400499).

Almost surely, 2^1712800997 is an apocalyptic number.

It is an amenable number.

1712800997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712800997 is an equidigital number, since it uses as much as digits as its factorization.

1712800997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 1712800997 is about 41386.0000120814. Note that the first 4 decimals coincide. The cubic root of 1712800997 is about 1196.4713462748.

The spelling of 1712800997 in words is "one billion, seven hundred twelve million, eight hundred thousand, nine hundred ninety-seven".