197080061 has 2 divisors, whose sum is σ = 197080062. Its totient is φ = 197080060.

The previous prime is 197080049. The next prime is 197080063. The reversal of 197080061 is 160080791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196168036 + 912025 = 14006^2 + 955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197080061 is a prime.

Together with 197080063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197080063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98540030 + 98540031.

It is an arithmetic number, because the mean of its divisors is an integer number (98540031).

Almost surely, 2^197080061 is an apocalyptic number.

It is an amenable number.

197080061 is a deficient number, since it is larger than the sum of its proper divisors (1).

197080061 is an equidigital number, since it uses as much as digits as its factorization.

197080061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 197080061 is about 14038.5206129421. The cubic root of 197080061 is about 581.9435995541.

The spelling of 197080061 in words is "one hundred ninety-seven million, eighty thousand, sixty-one".