2551115429 has 2 divisors, whose sum is σ = 2551115430. Its totient is φ = 2551115428.

The previous prime is 2551115417. The next prime is 2551115443. The reversal of 2551115429 is 9245111552.

2551115429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2158996225 + 392119204 = 46465^2 + 19802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551115429 - 2¹² = 2551111333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551015429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275557714 + 1275557715.

It is an arithmetic number, because the mean of its divisors is an integer number (1275557715).

Almost surely, 2^2551115429 is an apocalyptic number.

It is an amenable number.

2551115429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551115429 is an equidigital number, since it uses as much as digits as its factorization.

2551115429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 35.

The square root of 2551115429 is about 50508.5678771434. The cubic root of 2551115429 is about 1366.3963810987.

The spelling of 2551115429 in words is "two billion, five hundred fifty-one million, one hundred fifteen thousand, four hundred twenty-nine".