591319 has 2 divisors, whose sum is σ = 591320. Its totient is φ = 591318.

The previous prime is 591317. The next prime is 591341. The reversal of 591319 is 913195.

591319 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 is a cyclic number.

It is not a de Polignac number, because 591319 - 2¹ = 591317 is a prime.

It is a super-2 number, since 2×591319² = 699316319522, which contains 22 as substring.

Together with 591317, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (591317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295659 + 295660.

It is an arithmetic number, because the mean of its divisors is an integer number (295660).

2⁵⁹¹³¹⁹ is an apocalyptic number.

591319 is a deficient number, since it is larger than the sum of its proper divisors (1).

591319 is an equidigital number, since it uses as much as digits as its factorization.

591319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215, while the sum is 28.

The square root of 591319 is about 768.9726913227. The cubic root of 591319 is about 83.9345200207.

It can be divided in two parts, 59 and 1319, that added together give a triangular number (1378 = T₅₂).

The spelling of 591319 in words is "five hundred ninety-one thousand, three hundred nineteen".