2549745053 has 2 divisors, whose sum is σ = 2549745054. Its totient is φ = 2549745052.

The previous prime is 2549745019. The next prime is 2549745089. The reversal of 2549745053 is 3505479452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2512315129 + 37429924 = 50123^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549745053 - 2²⁰ = 2548696477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2549744995 and 2549745013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549741053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274872526 + 1274872527.

It is an arithmetic number, because the mean of its divisors is an integer number (1274872527).

Almost surely, 2^2549745053 is an apocalyptic number.

It is an amenable number.

2549745053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549745053 is an equidigital number, since it uses as much as digits as its factorization.

2549745053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 2549745053 is about 50495.0002772552. Note that the first 3 decimals coincide. The cubic root of 2549745053 is about 1366.1516760880.

The spelling of 2549745053 in words is "two billion, five hundred forty-nine million, seven hundred forty-five thousand, fifty-three".