2005350251573 has 2 divisors, whose sum is σ = 2005350251574. Its totient is φ = 2005350251572.

The previous prime is 2005350251473. The next prime is 2005350251587. The reversal of 2005350251573 is 3751520535002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976605422724 + 28744828849 = 1405918^2 + 169543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005350251573 - 2¹⁰ = 2005350250549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005350251473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002675125786 + 1002675125787.

It is an arithmetic number, because the mean of its divisors is an integer number (1002675125787).

Almost surely, 2^{2005350251573} is an apocalyptic number.

It is an amenable number.

2005350251573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005350251573 is an equidigital number, since it uses as much as digits as its factorization.

2005350251573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 38.

Adding to 2005350251573 its reverse (3751520535002), we get a palindrome (5756870786575).

The spelling of 2005350251573 in words is "two trillion, five billion, three hundred fifty million, two hundred fifty-one thousand, five hundred seventy-three".