2052100891 has 8 divisors (see below), whose sum is σ = 2072770560. Its totient is φ = 2031459048.

The previous prime is 2052100877. The next prime is 2052100907. The reversal of 2052100891 is 1980012502.

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 2052100891 - 2⁷ = 2052100763 is a prime.

It is a super-2 number, since 2×2052100891² = 8422236133685987762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052100811) 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, 161550 + ... + 173788.

It is an arithmetic number, because the mean of its divisors is an integer number (259096320).

Almost surely, 2^2052100891 is an apocalyptic number.

2052100891 is a deficient number, since it is larger than the sum of its proper divisors (20669669).

2052100891 is a wasteful number, since it uses less digits than its factorization.

2052100891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 2052100891 is about 45300.1202095535. The cubic root of 2052100891 is about 1270.7679012742.

The spelling of 2052100891 in words is "two billion, fifty-two million, one hundred thousand, eight hundred ninety-one".