200085437 has 2 divisors, whose sum is σ = 200085438. Its totient is φ = 200085436.

The previous prime is 200085373. The next prime is 200085443. The reversal of 200085437 is 734580002.

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., 125193721 + 74891716 = 11189^2 + 8654^2 .

It is a cyclic number.

It is not a de Polignac number, because 200085437 - 2⁶ = 200085373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200085467) 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, 100042718 + 100042719.

It is an arithmetic number, because the mean of its divisors is an integer number (100042719).

Almost surely, 2^200085437 is an apocalyptic number.

It is an amenable number.

200085437 is a deficient number, since it is larger than the sum of its proper divisors (1).

200085437 is an equidigital number, since it uses as much as digits as its factorization.

200085437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 200085437 is about 14145.1559553085. The cubic root of 200085437 is about 584.8868088889.

The spelling of 200085437 in words is "two hundred million, eighty-five thousand, four hundred thirty-seven".