180008473 has 2 divisors, whose sum is σ = 180008474. Its totient is φ = 180008472.

The previous prime is 180008471. The next prime is 180008513. The reversal of 180008473 is 374800081.

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., 139901584 + 40106889 = 11828^2 + 6333^2 .

It is a cyclic number.

It is not a de Polignac number, because 180008473 - 2¹ = 180008471 is a prime.

Together with 180008471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (180008471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90004236 + 90004237.

It is an arithmetic number, because the mean of its divisors is an integer number (90004237).

Almost surely, 2^180008473 is an apocalyptic number.

It is an amenable number.

180008473 is a deficient number, since it is larger than the sum of its proper divisors (1).

180008473 is an equidigital number, since it uses as much as digits as its factorization.

180008473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 180008473 is about 13416.7236313490. The cubic root of 180008473 is about 564.6304765210.

The spelling of 180008473 in words is "one hundred eighty million, eight thousand, four hundred seventy-three".