2545063181 has 2 divisors, whose sum is σ = 2545063182. Its totient is φ = 2545063180.

The previous prime is 2545063163. The next prime is 2545063201. The reversal of 2545063181 is 1813605452.

2545063181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2300641225 + 244421956 = 47965^2 + 15634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545063181 - 2²² = 2540868877 is a prime.

It is a super-2 number, since 2×2545063181² = 12954693190563677522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545063121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272531590 + 1272531591.

It is an arithmetic number, because the mean of its divisors is an integer number (1272531591).

Almost surely, 2^2545063181 is an apocalyptic number.

It is an amenable number.

2545063181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545063181 is an equidigital number, since it uses as much as digits as its factorization.

2545063181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2545063181 is about 50448.6192179727. The cubic root of 2545063181 is about 1365.3149824789.

The spelling of 2545063181 in words is "two billion, five hundred forty-five million, sixty-three thousand, one hundred eighty-one".