200434271 has 2 divisors, whose sum is σ = 200434272. Its totient is φ = 200434270.

The previous prime is 200434261. The next prime is 200434277. The reversal of 200434271 is 172434002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200434271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200434277) 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, 100217135 + 100217136.

It is an arithmetic number, because the mean of its divisors is an integer number (100217136).

Almost surely, 2^200434271 is an apocalyptic number.

200434271 is a deficient number, since it is larger than the sum of its proper divisors (1).

200434271 is an equidigital number, since it uses as much as digits as its factorization.

200434271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 200434271 is about 14157.4810965793. The cubic root of 200434271 is about 585.2265136894.

Adding to 200434271 its reverse (172434002), we get a palindrome (372868273).

The spelling of 200434271 in words is "two hundred million, four hundred thirty-four thousand, two hundred seventy-one".