197396803 has 2 divisors, whose sum is σ = 197396804. Its totient is φ = 197396802.

The previous prime is 197396791. The next prime is 197396863. The reversal of 197396803 is 308693791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197396803 is a prime.

It is not a weakly prime, because it can be changed into another prime (197396863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98698401 + 98698402.

It is an arithmetic number, because the mean of its divisors is an integer number (98698402).

Almost surely, 2^197396803 is an apocalyptic number.

197396803 is a deficient number, since it is larger than the sum of its proper divisors (1).

197396803 is an equidigital number, since it uses as much as digits as its factorization.

197396803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 197396803 is about 14049.7972583237. The cubic root of 197396803 is about 582.2551942749.

The spelling of 197396803 in words is "one hundred ninety-seven million, three hundred ninety-six thousand, eight hundred three".