2545654577 has 2 divisors, whose sum is σ = 2545654578. Its totient is φ = 2545654576.

The previous prime is 2545654541. The next prime is 2545654583. The reversal of 2545654577 is 7754565452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508234896 + 1037419681 = 38836^2 + 32209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545654577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545654537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272827288 + 1272827289.

It is an arithmetic number, because the mean of its divisors is an integer number (1272827289).

Almost surely, 2^2545654577 is an apocalyptic number.

It is an amenable number.

2545654577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545654577 is an equidigital number, since it uses as much as digits as its factorization.

2545654577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880000, while the sum is 50.

The square root of 2545654577 is about 50454.4802470504. The cubic root of 2545654577 is about 1365.4207269769.

The spelling of 2545654577 in words is "two billion, five hundred forty-five million, six hundred fifty-four thousand, five hundred seventy-seven".