591059 has 4 divisors (see below), whose sum is σ = 675504. Its totient is φ = 506616.

The previous prime is 591053. The next prime is 591061. The reversal of 591059 is 950195.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-591059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (591053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42212 + ... + 42225.

It is an arithmetic number, because the mean of its divisors is an integer number (168876).

2⁵⁹¹⁰⁵⁹ is an apocalyptic number.

591059 is a deficient number, since it is larger than the sum of its proper divisors (84445).

591059 is an equidigital number, since it uses as much as digits as its factorization.

591059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84444.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 591059 is about 768.8036160165. The cubic root of 591059 is about 83.9222163547.

It can be divided in two parts, 59 and 1059, that multiplied together give a triangular number (62481 = T₃₅₃).

The spelling of 591059 in words is "five hundred ninety-one thousand, fifty-nine".