2543750893 has 2 divisors, whose sum is σ = 2543750894. Its totient is φ = 2543750892.

The previous prime is 2543750771. The next prime is 2543750899. The reversal of 2543750893 is 3980573452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2097823204 + 445927689 = 45802^2 + 21117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543750893 - 2²⁹ = 2006879981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543750899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271875446 + 1271875447.

It is an arithmetic number, because the mean of its divisors is an integer number (1271875447).

Almost surely, 2^2543750893 is an apocalyptic number.

It is an amenable number.

2543750893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543750893 is an equidigital number, since it uses as much as digits as its factorization.

2543750893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 2543750893 is about 50435.6113574526. The cubic root of 2543750893 is about 1365.0802804470.

The spelling of 2543750893 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, eight hundred ninety-three".