2150007173 has 4 divisors (see below), whose sum is σ = 2150797740. Its totient is φ = 2149216608.

The previous prime is 2150007163. The next prime is 2150007193. The reversal of 2150007173 is 3717000512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1169503204 + 980503969 = 34198^2 + 31313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150007173 - 2⁸ = 2150006917 is a prime.

It is a super-3 number, since 3×2150007173³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150007143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391190 + ... + 396647.

It is an arithmetic number, because the mean of its divisors is an integer number (537699435).

Almost surely, 2^2150007173 is an apocalyptic number.

It is an amenable number.

2150007173 is a deficient number, since it is larger than the sum of its proper divisors (790567).

2150007173 is an equidigital number, since it uses as much as digits as its factorization.

2150007173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790566.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 2150007173 is about 46368.1698258622. The cubic root of 2150007173 is about 1290.6643160096.

Adding to 2150007173 its reverse (3717000512), we get a palindrome (5867007685).

The spelling of 2150007173 in words is "two billion, one hundred fifty million, seven thousand, one hundred seventy-three".