180012533 has 2 divisors, whose sum is σ = 180012534. Its totient is φ = 180012532.

The previous prime is 180012529. The next prime is 180012601. The reversal of 180012533 is 335210081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101566084 + 78446449 = 10078^2 + 8857^2 .

It is an emirp because it is prime and its reverse (335210081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180012533 - 2² = 180012529 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 180012499 and 180012508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180012523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90006266 + 90006267.

It is an arithmetic number, because the mean of its divisors is an integer number (90006267).

Almost surely, 2^180012533 is an apocalyptic number.

It is an amenable number.

180012533 is a deficient number, since it is larger than the sum of its proper divisors (1).

180012533 is an equidigital number, since it uses as much as digits as its factorization.

180012533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 180012533 is about 13416.8749342013. The cubic root of 180012533 is about 564.6347214740.

The spelling of 180012533 in words is "one hundred eighty million, twelve thousand, five hundred thirty-three".