2061586801 has 4 divisors (see below), whose sum is σ = 2066886900. Its totient is φ = 2056286704.

The previous prime is 2061586799. The next prime is 2061586817. The reversal of 2061586801 is 1086851602.

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 231800625 + 1829786176 = 15225^2 + 42776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061586801 - 2¹ = 2061586799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061586841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649466 + ... + 2650243.

It is an arithmetic number, because the mean of its divisors is an integer number (516721725).

Almost surely, 2^2061586801 is an apocalyptic number.

It is an amenable number.

2061586801 is a deficient number, since it is larger than the sum of its proper divisors (5300099).

2061586801 is an equidigital number, since it uses as much as digits as its factorization.

2061586801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300098.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2061586801 is about 45404.7002082384. The cubic root of 2061586801 is about 1272.7229486759.

It can be divided in two parts, 20615 and 86801, that added together give a triangular number (107416 = T₄₆₃).

The spelling of 2061586801 in words is "two billion, sixty-one million, five hundred eighty-six thousand, eight hundred one".