199048001 has 2 divisors, whose sum is σ = 199048002. Its totient is φ = 199048000.

The previous prime is 199047991. The next prime is 199048033. The reversal of 199048001 is 100840991.

It is an a-pointer prime, because the next prime (199048033) can be obtained adding 199048001 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134003776 + 65044225 = 11576^2 + 8065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199048001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (199048051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99524000 + 99524001.

It is an arithmetic number, because the mean of its divisors is an integer number (99524001).

Almost surely, 2^199048001 is an apocalyptic number.

It is an amenable number.

199048001 is a deficient number, since it is larger than the sum of its proper divisors (1).

199048001 is an equidigital number, since it uses as much as digits as its factorization.

199048001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 199048001 is about 14108.4372274182. The cubic root of 199048001 is about 583.8741841696.

Adding to 199048001 its reverse (100840991), we get a palindrome (299888992).

The spelling of 199048001 in words is "one hundred ninety-nine million, forty-eight thousand, one".