2551203323573 has 2 divisors, whose sum is σ = 2551203323574. Its totient is φ = 2551203323572.

The previous prime is 2551203323551. The next prime is 2551203323609. The reversal of 2551203323573 is 3753233021552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303976718724 + 1247226604849 = 1141918^2 + 1116793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551203323573 - 2²⁰ = 2551202274997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551203323573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551203323173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275601661786 + 1275601661787.

It is an arithmetic number, because the mean of its divisors is an integer number (1275601661787).

Almost surely, 2^{2551203323573} is an apocalyptic number.

It is an amenable number.

2551203323573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551203323573 is an equidigital number, since it uses as much as digits as its factorization.

2551203323573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 41.

The spelling of 2551203323573 in words is "two trillion, five hundred fifty-one billion, two hundred three million, three hundred twenty-three thousand, five hundred seventy-three".