2006555253 has 4 divisors (see below), whose sum is σ = 2675407008. Its totient is φ = 1337703500.

The previous prime is 2006555233. The next prime is 2006555279. The reversal of 2006555253 is 3525556002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2006555253 - 2⁶ = 2006555189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006555233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334425873 + ... + 334425878.

It is an arithmetic number, because the mean of its divisors is an integer number (668851752).

Almost surely, 2^2006555253 is an apocalyptic number.

It is an amenable number.

2006555253 is a deficient number, since it is larger than the sum of its proper divisors (668851755).

2006555253 is an equidigital number, since it uses as much as digits as its factorization.

2006555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668851754.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 2006555253 is about 44794.5895505250. The cubic root of 2006555253 is about 1261.2960655983.

The spelling of 2006555253 in words is "two billion, six million, five hundred fifty-five thousand, two hundred fifty-three".