4328587261 has 2 divisors, whose sum is σ = 4328587262. Its totient is φ = 4328587260.

The previous prime is 4328587213. The next prime is 4328587273. The reversal of 4328587261 is 1627858234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2797352100 + 1531235161 = 52890^2 + 39131^2 .

It is a cyclic number.

It is not a de Polignac number, because 4328587261 - 2⁹ = 4328586749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4328537261) 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, 2164293630 + 2164293631.

It is an arithmetic number, because the mean of its divisors is an integer number (2164293631).

Almost surely, 2^4328587261 is an apocalyptic number.

It is an amenable number.

4328587261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4328587261 is an equidigital number, since it uses as much as digits as its factorization.

4328587261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 4328587261 is about 65791.9999772009. Note that the first 4 decimals coincide. The cubic root of 4328587261 is about 1629.7289951799.

The spelling of 4328587261 in words is "four billion, three hundred twenty-eight million, five hundred eighty-seven thousand, two hundred sixty-one".