197113379 has 2 divisors, whose sum is σ = 197113380. Its totient is φ = 197113378.

The previous prime is 197113361. The next prime is 197113403. The reversal of 197113379 is 973311791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197113379 - 2⁸ = 197113123 is a prime.

It is not a weakly prime, because it can be changed into another prime (197113339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98556689 + 98556690.

It is an arithmetic number, because the mean of its divisors is an integer number (98556690).

Almost surely, 2^197113379 is an apocalyptic number.

197113379 is a deficient number, since it is larger than the sum of its proper divisors (1).

197113379 is an equidigital number, since it uses as much as digits as its factorization.

197113379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35721, while the sum is 41.

The square root of 197113379 is about 14039.7072262921. The cubic root of 197113379 is about 581.9763918184.

The spelling of 197113379 in words is "one hundred ninety-seven million, one hundred thirteen thousand, three hundred seventy-nine".