2000572505 has 4 divisors (see below), whose sum is σ = 2400687012. Its totient is φ = 1600458000.

The previous prime is 2000572501. The next prime is 2000572517. The reversal of 2000572505 is 5052750002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284293321 + 1716279184 = 16861^2 + 41428^2 .

It is not a de Polignac number, because 2000572505 - 2² = 2000572501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000572501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200057246 + ... + 200057255.

It is an arithmetic number, because the mean of its divisors is an integer number (600171753).

Almost surely, 2^2000572505 is an apocalyptic number.

It is an amenable number.

2000572505 is a deficient number, since it is larger than the sum of its proper divisors (400114507).

2000572505 is an equidigital number, since it uses as much as digits as its factorization.

2000572505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400114506.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 2000572505 is about 44727.7598924874. The cubic root of 2000572505 is about 1260.0412569425.

The spelling of 2000572505 in words is "two billion, five hundred seventy-two thousand, five hundred five".