200051389 has 2 divisors, whose sum is σ = 200051390. Its totient is φ = 200051388.

The previous prime is 200051381. The next prime is 200051413. The reversal of 200051389 is 983150002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199996164 + 55225 = 14142^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 200051389 - 2³ = 200051381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200051381) 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, 100025694 + 100025695.

It is an arithmetic number, because the mean of its divisors is an integer number (100025695).

Almost surely, 2^200051389 is an apocalyptic number.

It is an amenable number.

200051389 is a deficient number, since it is larger than the sum of its proper divisors (1).

200051389 is an equidigital number, since it uses as much as digits as its factorization.

200051389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 200051389 is about 14143.9523825556. The cubic root of 200051389 is about 584.8536308025.

The spelling of 200051389 in words is "two hundred million, fifty-one thousand, three hundred eighty-nine".