197874043 has 2 divisors, whose sum is σ = 197874044. Its totient is φ = 197874042.

The previous prime is 197874031. The next prime is 197874071. The reversal of 197874043 is 340478791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197874043 - 2⁵ = 197874011 is a prime.

It is not a weakly prime, because it can be changed into another prime (197874073) 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, 98937021 + 98937022.

It is an arithmetic number, because the mean of its divisors is an integer number (98937022).

Almost surely, 2^197874043 is an apocalyptic number.

197874043 is a deficient number, since it is larger than the sum of its proper divisors (1).

197874043 is an equidigital number, since it uses as much as digits as its factorization.

197874043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 197874043 is about 14066.7708803407. The cubic root of 197874043 is about 582.7240499471.

The spelling of 197874043 in words is "one hundred ninety-seven million, eight hundred seventy-four thousand, forty-three".