2005554313 has 4 divisors (see below), whose sum is σ = 2292062080. Its totient is φ = 1719046548.

The previous prime is 2005554293. The next prime is 2005554323. The reversal of 2005554313 is 3134555002.

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 2005554313 - 2⁵ = 2005554281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005554323) 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, 143253873 + ... + 143253886.

It is an arithmetic number, because the mean of its divisors is an integer number (573015520).

Almost surely, 2^2005554313 is an apocalyptic number.

It is an amenable number.

2005554313 is a deficient number, since it is larger than the sum of its proper divisors (286507767).

2005554313 is an equidigital number, since it uses as much as digits as its factorization.

2005554313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286507766.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2005554313 is about 44783.4156022070. The cubic root of 2005554313 is about 1261.0863045059.

The spelling of 2005554313 in words is "two billion, five million, five hundred fifty-four thousand, three hundred thirteen".