197632049 has 2 divisors, whose sum is σ = 197632050. Its totient is φ = 197632048.

The previous prime is 197632027. The next prime is 197632051. The reversal of 197632049 is 940236791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150503824 + 47128225 = 12268^2 + 6865^2 .

It is a cyclic number.

It is not a de Polignac number, because 197632049 - 2⁸ = 197631793 is a prime.

Together with 197632051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 197631997 and 197632015.

It is not a weakly prime, because it can be changed into another prime (197634049) 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, 98816024 + 98816025.

It is an arithmetic number, because the mean of its divisors is an integer number (98816025).

Almost surely, 2^197632049 is an apocalyptic number.

It is an amenable number.

197632049 is a deficient number, since it is larger than the sum of its proper divisors (1).

197632049 is an equidigital number, since it uses as much as digits as its factorization.

197632049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 197632049 is about 14058.1666301122. The cubic root of 197632049 is about 582.4864017161.

It can be divided in two parts, 19763 and 2049, that added together give a palindrome (21812).

The spelling of 197632049 in words is "one hundred ninety-seven million, six hundred thirty-two thousand, forty-nine".