2005205351 has 2 divisors, whose sum is σ = 2005205352. Its totient is φ = 2005205350.

The previous prime is 2005205317. The next prime is 2005205393. The reversal of 2005205351 is 1535025002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005205351 - 2³⁰ = 931463527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005205651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002602675 + 1002602676.

It is an arithmetic number, because the mean of its divisors is an integer number (1002602676).

Almost surely, 2^2005205351 is an apocalyptic number.

2005205351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005205351 is an equidigital number, since it uses as much as digits as its factorization.

2005205351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2005205351 is about 44779.5193252451. The cubic root of 2005205351 is about 1261.0131581905.

The spelling of 2005205351 in words is "two billion, five million, two hundred five thousand, three hundred fifty-one".