2005565272 has 8 divisors (see below), whose sum is σ = 3760434900. Its totient is φ = 1002782632.

The previous prime is 2005565227. The next prime is 2005565351. The reversal of 2005565272 is 2725655002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 125347822 + ... + 125347837.

Almost surely, 2^2005565272 is an apocalyptic number.

It is an amenable number.

2005565272 is a deficient number, since it is larger than the sum of its proper divisors (1754869628).

2005565272 is a wasteful number, since it uses less digits than its factorization.

2005565272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250695665 (or 250695661 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2005565272 is about 44783.5379576022. The cubic root of 2005565272 is about 1261.0886014968.

The spelling of 2005565272 in words is "two billion, five million, five hundred sixty-five thousand, two hundred seventy-two".