2501566829 has 2 divisors, whose sum is σ = 2501566830. Its totient is φ = 2501566828.

The previous prime is 2501566801. The next prime is 2501566913. The reversal of 2501566829 is 9286651052.

2501566829 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., 2332696804 + 168870025 = 48298^2 + 12995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2501566829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2501566829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501566229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250783414 + 1250783415.

It is an arithmetic number, because the mean of its divisors is an integer number (1250783415).

Almost surely, 2^2501566829 is an apocalyptic number.

It is an amenable number.

2501566829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501566829 is an equidigital number, since it uses as much as digits as its factorization.

2501566829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 2501566829 is about 50015.6658358159. The cubic root of 2501566829 is about 1357.4922843006.

The spelling of 2501566829 in words is "two billion, five hundred one million, five hundred sixty-six thousand, eight hundred twenty-nine".