2506505329 has 2 divisors, whose sum is σ = 2506505330. Its totient is φ = 2506505328.

The previous prime is 2506505263. The next prime is 2506505383. The reversal of 2506505329 is 9235056052.

2506505329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2504802304 + 1703025 = 50048^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506505329 - 2¹¹ = 2506503281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506505429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253252664 + 1253252665.

It is an arithmetic number, because the mean of its divisors is an integer number (1253252665).

Almost surely, 2^2506505329 is an apocalyptic number.

It is an amenable number.

2506505329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506505329 is an equidigital number, since it uses as much as digits as its factorization.

2506505329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 2506505329 is about 50065.0110256654. The cubic root of 2506505329 is about 1358.3850006601.

The spelling of 2506505329 in words is "two billion, five hundred six million, five hundred five thousand, three hundred twenty-nine".