197874011 has 2 divisors, whose sum is σ = 197874012. Its totient is φ = 197874010.

The previous prime is 197873993. The next prime is 197874029. The reversal of 197874011 is 110478791.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (197873993) and next prime (197874029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197874011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197874031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98937005 + 98937006.

It is an arithmetic number, because the mean of its divisors is an integer number (98937006).

Almost surely, 2^197874011 is an apocalyptic number.

197874011 is a deficient number, since it is larger than the sum of its proper divisors (1).

197874011 is an equidigital number, since it uses as much as digits as its factorization.

197874011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 197874011 is about 14066.7697429083. The cubic root of 197874011 is about 582.7240185346.

The spelling of 197874011 in words is "one hundred ninety-seven million, eight hundred seventy-four thousand, eleven".