2536765321 has 2 divisors, whose sum is σ = 2536765322. Its totient is φ = 2536765320.

The previous prime is 2536765307. The next prime is 2536765331. The reversal of 2536765321 is 1235676352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697852025 + 838913296 = 41205^2 + 28964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536765321 - 2⁹ = 2536764809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2536765331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268382660 + 1268382661.

It is an arithmetic number, because the mean of its divisors is an integer number (1268382661).

Almost surely, 2^2536765321 is an apocalyptic number.

It is an amenable number.

2536765321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536765321 is an equidigital number, since it uses as much as digits as its factorization.

2536765321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 2536765321 is about 50366.3113698035. The cubic root of 2536765321 is about 1363.8295540768.

The spelling of 2536765321 in words is "two billion, five hundred thirty-six million, seven hundred sixty-five thousand, three hundred twenty-one".