2551003129 has 2 divisors, whose sum is σ = 2551003130. Its totient is φ = 2551003128.

The previous prime is 2551003121. The next prime is 2551003139. The reversal of 2551003129 is 9213001552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1724325625 + 826677504 = 41525^2 + 28752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551003129 - 2³ = 2551003121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551003097 and 2551003106.

It is not a weakly prime, because it can be changed into another prime (2551003121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275501564 + 1275501565.

It is an arithmetic number, because the mean of its divisors is an integer number (1275501565).

Almost surely, 2^2551003129 is an apocalyptic number.

It is an amenable number.

2551003129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551003129 is an equidigital number, since it uses as much as digits as its factorization.

2551003129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2551003129 is about 50507.4561723316. The cubic root of 2551003129 is about 1366.3763312330.

The spelling of 2551003129 in words is "two billion, five hundred fifty-one million, three thousand, one hundred twenty-nine".