490002173 has 2 divisors, whose sum is σ = 490002174. Its totient is φ = 490002172.

The previous prime is 490002167. The next prime is 490002223. The reversal of 490002173 is 371200094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375661924 + 114340249 = 19382^2 + 10693^2 .

It is a cyclic number.

It is not a de Polignac number, because 490002173 - 2⁶ = 490002109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490002133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245001086 + 245001087.

It is an arithmetic number, because the mean of its divisors is an integer number (245001087).

Almost surely, 2^490002173 is an apocalyptic number.

It is an amenable number.

490002173 is a deficient number, since it is larger than the sum of its proper divisors (1).

490002173 is an equidigital number, since it uses as much as digits as its factorization.

490002173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 490002173 is about 22135.9927041911. The cubic root of 490002173 is about 788.3746817072.

It can be divided in two parts, 4900021 and 73, that added together give a palindrome (4900094).

The spelling of 490002173 in words is "four hundred ninety million, two thousand, one hundred seventy-three".