2553122129 has 2 divisors, whose sum is σ = 2553122130. Its totient is φ = 2553122128.

The previous prime is 2553122059. The next prime is 2553122147. The reversal of 2553122129 is 9212213552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2552977729 + 144400 = 50527^2 + 380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553122129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2553122095 and 2553122104.

It is not a weakly prime, because it can be changed into another prime (2553122179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276561064 + 1276561065.

It is an arithmetic number, because the mean of its divisors is an integer number (1276561065).

Almost surely, 2^2553122129 is an apocalyptic number.

It is an amenable number.

2553122129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553122129 is an equidigital number, since it uses as much as digits as its factorization.

2553122129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 2553122129 is about 50528.4289187780. The cubic root of 2553122129 is about 1366.7545550129.

The spelling of 2553122129 in words is "two billion, five hundred fifty-three million, one hundred twenty-two thousand, one hundred twenty-nine".