2050000561 has 8 divisors (see below), whose sum is σ = 2347921664. Its totient is φ = 1753345440.

The previous prime is 2050000553. The next prime is 2050000609. The reversal of 2050000561 is 1650000502.

It is a happy number.

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

It is not a de Polignac number, because 2050000561 - 2³ = 2050000553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050000501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313020 + ... + 319501.

It is an arithmetic number, because the mean of its divisors is an integer number (293490208).

Almost surely, 2^2050000561 is an apocalyptic number.

It is an amenable number.

2050000561 is a deficient number, since it is larger than the sum of its proper divisors (297921103).

2050000561 is an equidigital number, since it uses as much as digits as its factorization.

2050000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632991.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2050000561 is about 45276.9318858953. The cubic root of 2050000561 is about 1270.3342086517.

The spelling of 2050000561 in words is "two billion, fifty million, five hundred sixty-one", and thus it is an aban number.