180264197 has 2 divisors, whose sum is σ = 180264198. Its totient is φ = 180264196.

The previous prime is 180264193. The next prime is 180264199. The reversal of 180264197 is 791462081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178329316 + 1934881 = 13354^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 180264197 - 2² = 180264193 is a prime.

Together with 180264199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180264197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180264193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90132098 + 90132099.

It is an arithmetic number, because the mean of its divisors is an integer number (90132099).

Almost surely, 2^180264197 is an apocalyptic number.

It is an amenable number.

180264197 is a deficient number, since it is larger than the sum of its proper divisors (1).

180264197 is an equidigital number, since it uses as much as digits as its factorization.

180264197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 180264197 is about 13426.2502955963. The cubic root of 180264197 is about 564.8977255032.

The spelling of 180264197 in words is "one hundred eighty million, two hundred sixty-four thousand, one hundred ninety-seven".