2543293073 has 2 divisors, whose sum is σ = 2543293074. Its totient is φ = 2543293072.

The previous prime is 2543293037. The next prime is 2543293079. The reversal of 2543293073 is 3703923452.

2543293073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2543293037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2406098704 + 137194369 = 49052^2 + 11713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543293073 - 2⁶ = 2543293009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2543293079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271646536 + 1271646537.

It is an arithmetic number, because the mean of its divisors is an integer number (1271646537).

Almost surely, 2^2543293073 is an apocalyptic number.

It is an amenable number.

2543293073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543293073 is an equidigital number, since it uses as much as digits as its factorization.

2543293073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 2543293073 is about 50431.0724950402. The cubic root of 2543293073 is about 1364.9983805837.

The spelling of 2543293073 in words is "two billion, five hundred forty-three million, two hundred ninety-three thousand, seventy-three".