2605056043 has 2 divisors, whose sum is σ = 2605056044. Its totient is φ = 2605056042.

The previous prime is 2605056031. The next prime is 2605056071. The reversal of 2605056043 is 3406505062.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2605056043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2605055996 and 2605056014.

It is not a weakly prime, because it can be changed into another prime (2605036043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302528021 + 1302528022.

It is an arithmetic number, because the mean of its divisors is an integer number (1302528022).

Almost surely, 2^2605056043 is an apocalyptic number.

2605056043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605056043 is an equidigital number, since it uses as much as digits as its factorization.

2605056043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2605056043 is about 51039.7496369251. The cubic root of 2605056043 is about 1375.9596241970.

The spelling of 2605056043 in words is "two billion, six hundred five million, fifty-six thousand, forty-three".