197086433 has 2 divisors, whose sum is σ = 197086434. Its totient is φ = 197086432.

The previous prime is 197086427. The next prime is 197086441. The reversal of 197086433 is 334680791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148547344 + 48539089 = 12188^2 + 6967^2 .

It is a cyclic number.

It is not a de Polignac number, because 197086433 - 2²⁶ = 129977569 is a prime.

It is not a weakly prime, because it can be changed into another prime (197086493) 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, 98543216 + 98543217.

It is an arithmetic number, because the mean of its divisors is an integer number (98543217).

Almost surely, 2^197086433 is an apocalyptic number.

It is an amenable number.

197086433 is a deficient number, since it is larger than the sum of its proper divisors (1).

197086433 is an equidigital number, since it uses as much as digits as its factorization.

197086433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 197086433 is about 14038.7475580979. The cubic root of 197086433 is about 581.9498712941.

The spelling of 197086433 in words is "one hundred ninety-seven million, eighty-six thousand, four hundred thirty-three".