200514421 has 2 divisors, whose sum is σ = 200514422. Its totient is φ = 200514420.

The previous prime is 200514407. The next prime is 200514427. The reversal of 200514421 is 124415002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195608196 + 4906225 = 13986^2 + 2215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200514421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200514427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100257210 + 100257211.

It is an arithmetic number, because the mean of its divisors is an integer number (100257211).

Almost surely, 2^200514421 is an apocalyptic number.

It is an amenable number.

200514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200514421 is an equidigital number, since it uses as much as digits as its factorization.

200514421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 200514421 is about 14160.3114725630. The cubic root of 200514421 is about 585.3045104211.

Adding to 200514421 its reverse (124415002), we get a palindrome (324929423).

The spelling of 200514421 in words is "two hundred million, five hundred fourteen thousand, four hundred twenty-one".