2650050581 has 2 divisors, whose sum is σ = 2650050582. Its totient is φ = 2650050580.

The previous prime is 2650050499. The next prime is 2650050587. The reversal of 2650050581 is 1850500562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2156766481 + 493284100 = 46441^2 + 22210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650050581 - 2³⁰ = 1576308757 is a prime.

It is a super-2 number, since 2×2650050581² = 14045536163716875122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650050587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325025290 + 1325025291.

It is an arithmetic number, because the mean of its divisors is an integer number (1325025291).

Almost surely, 2^2650050581 is an apocalyptic number.

It is an amenable number.

2650050581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650050581 is an equidigital number, since it uses as much as digits as its factorization.

2650050581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 2650050581 is about 51478.6419886927. The cubic root of 2650050581 is about 1383.8363080386.

The spelling of 2650050581 in words is "two billion, six hundred fifty million, fifty thousand, five hundred eighty-one".