200057909 has 2 divisors, whose sum is σ = 200057910. Its totient is φ = 200057908.

The previous prime is 200057873. The next prime is 200057917. The reversal of 200057909 is 909750002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 60109009 = 11830^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 200057909 - 2⁸ = 200057653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200057959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100028954 + 100028955.

It is an arithmetic number, because the mean of its divisors is an integer number (100028955).

Almost surely, 2^200057909 is an apocalyptic number.

It is an amenable number.

200057909 is a deficient number, since it is larger than the sum of its proper divisors (1).

200057909 is an equidigital number, since it uses as much as digits as its factorization.

200057909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 200057909 is about 14144.1828678789. The cubic root of 200057909 is about 584.8599845103.

The spelling of 200057909 in words is "two hundred million, fifty-seven thousand, nine hundred nine".