2553444161 has 2 divisors, whose sum is σ = 2553444162. Its totient is φ = 2553444160.

The previous prime is 2553444139. The next prime is 2553444197. The reversal of 2553444161 is 1614443552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1517569936 + 1035874225 = 38956^2 + 32185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553444161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553444661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276722080 + 1276722081.

It is an arithmetic number, because the mean of its divisors is an integer number (1276722081).

Almost surely, 2^2553444161 is an apocalyptic number.

It is an amenable number.

2553444161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553444161 is an equidigital number, since it uses as much as digits as its factorization.

2553444161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 2553444161 is about 50531.6154600266. The cubic root of 2553444161 is about 1366.8120167109.

The spelling of 2553444161 in words is "two billion, five hundred fifty-three million, four hundred forty-four thousand, one hundred sixty-one".