2650005731 has 2 divisors, whose sum is σ = 2650005732. Its totient is φ = 2650005730.

The previous prime is 2650005719. The next prime is 2650005739. The reversal of 2650005731 is 1375000562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2650005731 - 2⁶ = 2650005667 is a prime.

It is a super-2 number, since 2×2650005731² = 14045060748665688722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2650005694 and 2650005703.

It is not a weakly prime, because it can be changed into another prime (2650005739) 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, 1325002865 + 1325002866.

It is an arithmetic number, because the mean of its divisors is an integer number (1325002866).

Almost surely, 2^2650005731 is an apocalyptic number.

2650005731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650005731 is an equidigital number, since it uses as much as digits as its factorization.

2650005731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2650005731 is about 51478.2063692977. The cubic root of 2650005731 is about 1383.8285012180.

The spelling of 2650005731 in words is "two billion, six hundred fifty million, five thousand, seven hundred thirty-one".