2545555651 has 2 divisors, whose sum is σ = 2545555652. Its totient is φ = 2545555650.

The previous prime is 2545555631. The next prime is 2545555657. The reversal of 2545555651 is 1565555452.

2545555651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545555651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545555598 and 2545555607.

It is not a weakly prime, because it can be changed into another prime (2545555657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272777825 + 1272777826.

It is an arithmetic number, because the mean of its divisors is an integer number (1272777826).

Almost surely, 2^2545555651 is an apocalyptic number.

2545555651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545555651 is an equidigital number, since it uses as much as digits as its factorization.

2545555651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 750000, while the sum is 43.

The square root of 2545555651 is about 50453.4998885112. The cubic root of 2545555651 is about 1365.4030396649.

The spelling of 2545555651 in words is "two billion, five hundred forty-five million, five hundred fifty-five thousand, six hundred fifty-one".