650006173 has 2 divisors, whose sum is σ = 650006174. Its totient is φ = 650006172.

The previous prime is 650006107. The next prime is 650006183. The reversal of 650006173 is 371600056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642014244 + 7991929 = 25338^2 + 2827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650006173 is a prime.

It is a super-3 number, since 3×650006173³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650006183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325003086 + 325003087.

It is an arithmetic number, because the mean of its divisors is an integer number (325003087).

Almost surely, 2^650006173 is an apocalyptic number.

It is an amenable number.

650006173 is a deficient number, since it is larger than the sum of its proper divisors (1).

650006173 is an equidigital number, since it uses as much as digits as its factorization.

650006173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 650006173 is about 25495.2186301667. The cubic root of 650006173 is about 866.2418475343.

The spelling of 650006173 in words is "six hundred fifty million, six thousand, one hundred seventy-three".