197563841 has 2 divisors, whose sum is σ = 197563842. Its totient is φ = 197563840.

The previous prime is 197563829. The next prime is 197563901. The reversal of 197563841 is 148365791.

197563841 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., 182385025 + 15178816 = 13505^2 + 3896^2 .

It is a cyclic number.

It is not a de Polignac number, because 197563841 - 2¹⁴ = 197547457 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 197563792 and 197563801.

It is not a weakly prime, because it can be changed into another prime (197563141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98781920 + 98781921.

It is an arithmetic number, because the mean of its divisors is an integer number (98781921).

Almost surely, 2^197563841 is an apocalyptic number.

It is an amenable number.

197563841 is a deficient number, since it is larger than the sum of its proper divisors (1).

197563841 is an equidigital number, since it uses as much as digits as its factorization.

197563841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 197563841 is about 14055.7404998812. The cubic root of 197563841 is about 582.4193835643.

The spelling of 197563841 in words is "one hundred ninety-seven million, five hundred sixty-three thousand, eight hundred forty-one".