200665429 has 2 divisors, whose sum is σ = 200665430. Its totient is φ = 200665428.

The previous prime is 200665397. The next prime is 200665459. The reversal of 200665429 is 924566002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145757329 + 54908100 = 12073^2 + 7410^2 .

It is a cyclic number.

It is not a de Polignac number, because 200665429 - 2⁵ = 200665397 is a prime.

It is a super-2 number, since 2×200665429² = 80533228791508082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200665394 and 200665403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200665459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100332714 + 100332715.

It is an arithmetic number, because the mean of its divisors is an integer number (100332715).

Almost surely, 2^200665429 is an apocalyptic number.

It is an amenable number.

200665429 is a deficient number, since it is larger than the sum of its proper divisors (1).

200665429 is an equidigital number, since it uses as much as digits as its factorization.

200665429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 200665429 is about 14165.6425551402. The cubic root of 200665429 is about 585.4514050676.

The spelling of 200665429 in words is "two hundred million, six hundred sixty-five thousand, four hundred twenty-nine".