197084873 has 2 divisors, whose sum is σ = 197084874. Its totient is φ = 197084872.

The previous prime is 197084869. The next prime is 197084917. The reversal of 197084873 is 378480791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161467849 + 35617024 = 12707^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 197084873 - 2² = 197084869 is a prime.

It is a super-2 number, since 2×197084873² = 77684894330852258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (197084813) 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, 98542436 + 98542437.

It is an arithmetic number, because the mean of its divisors is an integer number (98542437).

Almost surely, 2^197084873 is an apocalyptic number.

It is an amenable number.

197084873 is a deficient number, since it is larger than the sum of its proper divisors (1).

197084873 is an equidigital number, since it uses as much as digits as its factorization.

197084873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 197084873 is about 14038.6919974761. The cubic root of 197084873 is about 581.9483358523.

The spelling of 197084873 in words is "one hundred ninety-seven million, eighty-four thousand, eight hundred seventy-three".