199529801 has 2 divisors, whose sum is σ = 199529802. Its totient is φ = 199529800.

The previous prime is 199529797. The next prime is 199529851. The reversal of 199529801 is 108925991.

It is a happy number.

199529801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162307600 + 37222201 = 12740^2 + 6101^2 .

It is a cyclic number.

It is not a de Polignac number, because 199529801 - 2² = 199529797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199529851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99764900 + 99764901.

It is an arithmetic number, because the mean of its divisors is an integer number (99764901).

Almost surely, 2^199529801 is an apocalyptic number.

It is an amenable number.

199529801 is a deficient number, since it is larger than the sum of its proper divisors (1).

199529801 is an equidigital number, since it uses as much as digits as its factorization.

199529801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 199529801 is about 14125.5017963965. The cubic root of 199529801 is about 584.3448979547.

The spelling of 199529801 in words is "one hundred ninety-nine million, five hundred twenty-nine thousand, eight hundred one".