180963397 has 2 divisors, whose sum is σ = 180963398. Its totient is φ = 180963396.

The previous prime is 180963361. The next prime is 180963403. The reversal of 180963397 is 793369081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178649956 + 2313441 = 13366^2 + 1521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180963397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180963197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90481698 + 90481699.

It is an arithmetic number, because the mean of its divisors is an integer number (90481699).

Almost surely, 2^180963397 is an apocalyptic number.

It is an amenable number.

180963397 is a deficient number, since it is larger than the sum of its proper divisors (1).

180963397 is an equidigital number, since it uses as much as digits as its factorization.

180963397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 180963397 is about 13452.2636385108. The cubic root of 180963397 is about 565.6271491712.

The spelling of 180963397 in words is "one hundred eighty million, nine hundred sixty-three thousand, three hundred ninety-seven".