180010249 has 2 divisors, whose sum is σ = 180010250. Its totient is φ = 180010248.

The previous prime is 180010247. The next prime is 180010267. The reversal of 180010249 is 942010081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164352400 + 15657849 = 12820^2 + 3957^2 .

It is a cyclic number.

It is not a de Polignac number, because 180010249 - 2¹ = 180010247 is a prime.

Together with 180010247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (180010241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90005124 + 90005125.

It is an arithmetic number, because the mean of its divisors is an integer number (90005125).

Almost surely, 2^180010249 is an apocalyptic number.

It is an amenable number.

180010249 is a deficient number, since it is larger than the sum of its proper divisors (1).

180010249 is an equidigital number, since it uses as much as digits as its factorization.

180010249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 180010249 is about 13416.7898172402. The cubic root of 180010249 is about 564.6323334344.

The spelling of 180010249 in words is "one hundred eighty million, ten thousand, two hundred forty-nine".