199825433 has 2 divisors, whose sum is σ = 199825434. Its totient is φ = 199825432.

The previous prime is 199825363. The next prime is 199825477. The reversal of 199825433 is 334528991.

It is an a-pointer prime, because the next prime (199825477) can be obtained adding 199825433 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173896969 + 25928464 = 13187^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 199825433 - 2¹² = 199821337 is a prime.

It is not a weakly prime, because it can be changed into another prime (199825133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99912716 + 99912717.

It is an arithmetic number, because the mean of its divisors is an integer number (99912717).

Almost surely, 2^199825433 is an apocalyptic number.

It is an amenable number.

199825433 is a deficient number, since it is larger than the sum of its proper divisors (1).

199825433 is an equidigital number, since it uses as much as digits as its factorization.

199825433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 199825433 is about 14135.9624009121. The cubic root of 199825433 is about 584.6333524474.

The spelling of 199825433 in words is "one hundred ninety-nine million, eight hundred twenty-five thousand, four hundred thirty-three".