650120617 has 2 divisors, whose sum is σ = 650120618. Its totient is φ = 650120616.

The previous prime is 650120609. The next prime is 650120621. The reversal of 650120617 is 716021056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519338521 + 130782096 = 22789^2 + 11436^2 .

It is a cyclic number.

It is not a de Polignac number, because 650120617 - 2³ = 650120609 is a prime.

It is a super-3 number, since 3×650120617³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650120677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325060308 + 325060309.

It is an arithmetic number, because the mean of its divisors is an integer number (325060309).

Almost surely, 2^650120617 is an apocalyptic number.

It is an amenable number.

650120617 is a deficient number, since it is larger than the sum of its proper divisors (1).

650120617 is an equidigital number, since it uses as much as digits as its factorization.

650120617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 650120617 is about 25497.4629522233. The cubic root of 650120617 is about 866.2926831358.

The spelling of 650120617 in words is "six hundred fifty million, one hundred twenty thousand, six hundred seventeen".