200353421 has 2 divisors, whose sum is σ = 200353422. Its totient is φ = 200353420.

The previous prime is 200353379. The next prime is 200353427. The reversal of 200353421 is 124353002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166771396 + 33582025 = 12914^2 + 5795^2 .

It is a cyclic number.

It is not a de Polignac number, because 200353421 - 2⁶ = 200353357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200353393 and 200353402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200353427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100176710 + 100176711.

It is an arithmetic number, because the mean of its divisors is an integer number (100176711).

Almost surely, 2^200353421 is an apocalyptic number.

It is an amenable number.

200353421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200353421 is an equidigital number, since it uses as much as digits as its factorization.

200353421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 200353421 is about 14154.6254277533. The cubic root of 200353421 is about 585.1478146945.

The spelling of 200353421 in words is "two hundred million, three hundred fifty-three thousand, four hundred twenty-one".