2006286545 has 4 divisors (see below), whose sum is σ = 2407543860. Its totient is φ = 1605029232.

The previous prime is 2006286533. The next prime is 2006286553. The reversal of 2006286545 is 5456826002.

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 659102929 + 1347183616 = 25673^2 + 36704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006286545 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2006286499 and 2006286508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200628650 + ... + 200628659.

It is an arithmetic number, because the mean of its divisors is an integer number (601885965).

Almost surely, 2^2006286545 is an apocalyptic number.

It is an amenable number.

2006286545 is a deficient number, since it is larger than the sum of its proper divisors (401257315).

2006286545 is an equidigital number, since it uses as much as digits as its factorization.

2006286545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401257314.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2006286545 is about 44791.5901146633. The cubic root of 2006286545 is about 1261.2397608986.

The spelling of 2006286545 in words is "two billion, six million, two hundred eighty-six thousand, five hundred forty-five".