591610841 has 2 divisors, whose sum is σ = 591610842. Its totient is φ = 591610840.

The previous prime is 591610781. The next prime is 591610843. The reversal of 591610841 is 148016195.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508728025 + 82882816 = 22555^2 + 9104^2 .

It is a cyclic number.

It is not a de Polignac number, because 591610841 - 2¹⁴ = 591594457 is a prime.

Together with 591610843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (591610843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295805420 + 295805421.

It is an arithmetic number, because the mean of its divisors is an integer number (295805421).

Almost surely, 2^591610841 is an apocalyptic number.

It is an amenable number.

591610841 is a deficient number, since it is larger than the sum of its proper divisors (1).

591610841 is an equidigital number, since it uses as much as digits as its factorization.

591610841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 591610841 is about 24323.0516383122. The cubic root of 591610841 is about 839.4832616455.

The spelling of 591610841 in words is "five hundred ninety-one million, six hundred ten thousand, eight hundred forty-one".