199282549 has 2 divisors, whose sum is σ = 199282550. Its totient is φ = 199282548.

The previous prime is 199282543. The next prime is 199282553. The reversal of 199282549 is 945282991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177023025 + 22259524 = 13305^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 199282549 - 2³ = 199282541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199282541) 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, 99641274 + 99641275.

It is an arithmetic number, because the mean of its divisors is an integer number (99641275).

Almost surely, 2^199282549 is an apocalyptic number.

It is an amenable number.

199282549 is a deficient number, since it is larger than the sum of its proper divisors (1).

199282549 is an equidigital number, since it uses as much as digits as its factorization.

199282549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 199282549 is about 14116.7471111443. The cubic root of 199282549 is about 584.1034299904.

The spelling of 199282549 in words is "one hundred ninety-nine million, two hundred eighty-two thousand, five hundred forty-nine".