2605056061 has 8 divisors (see below), whose sum is σ = 2722739904. Its totient is φ = 2487740640.

The previous prime is 2605056043. The next prime is 2605056071. The reversal of 2605056061 is 1606505062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2605056061 - 2⁹ = 2605055549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605056031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77595 + ... + 105976.

It is an arithmetic number, because the mean of its divisors is an integer number (340342488).

Almost surely, 2^2605056061 is an apocalyptic number.

It is an amenable number.

2605056061 is a deficient number, since it is larger than the sum of its proper divisors (117683843).

2605056061 is a wasteful number, since it uses less digits than its factorization.

2605056061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184211.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2605056061 is about 51039.7498132583. The cubic root of 2605056061 is about 1375.9596273661.

The spelling of 2605056061 in words is "two billion, six hundred five million, fifty-six thousand, sixty-one".