200463421 has 2 divisors, whose sum is σ = 200463422. Its totient is φ = 200463420.

The previous prime is 200463383. The next prime is 200463443. The reversal of 200463421 is 124364002.

It is a happy number.

It is an a-pointer prime, because the next prime (200463443) can be obtained adding 200463421 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151659225 + 48804196 = 12315^2 + 6986^2 .

It is a cyclic number.

It is not a de Polignac number, because 200463421 - 2⁹ = 200462909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200463392 and 200463401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200463451) 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, 100231710 + 100231711.

It is an arithmetic number, because the mean of its divisors is an integer number (100231711).

Almost surely, 2^200463421 is an apocalyptic number.

It is an amenable number.

200463421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200463421 is an equidigital number, since it uses as much as digits as its factorization.

200463421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 200463421 is about 14158.5105501956. The cubic root of 200463421 is about 585.2548829662.

The spelling of 200463421 in words is "two hundred million, four hundred sixty-three thousand, four hundred twenty-one".