2000430997 has 2 divisors, whose sum is σ = 2000430998. Its totient is φ = 2000430996.

The previous prime is 2000430923. The next prime is 2000431001. The reversal of 2000430997 is 7990340002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897996356 + 102434641 = 43566^2 + 10121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000430997 - 2⁷ = 2000430869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000430097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000215498 + 1000215499.

It is an arithmetic number, because the mean of its divisors is an integer number (1000215499).

Almost surely, 2^2000430997 is an apocalyptic number.

It is an amenable number.

2000430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000430997 is an equidigital number, since it uses as much as digits as its factorization.

2000430997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2000430997 is about 44726.1779833690. The cubic root of 2000430997 is about 1260.0115470933.

Adding to 2000430997 its reverse (7990340002), we get a palindrome (9990770999).

The spelling of 2000430997 in words is "two billion, four hundred thirty thousand, nine hundred ninety-seven".