1591359 has 24 divisors (see below), whose sum is σ = 2677632. Its totient is φ = 816720.

The previous prime is 1591351. The next prime is 1591363. The reversal of 1591359 is 9531951.

It is not a de Polignac number, because 1591359 - 2³ = 1591351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

1591359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19132 + ... + 19214.

It is an arithmetic number, because the mean of its divisors is an integer number (111568).

2^1591359 is an apocalyptic number.

1591359 is a deficient number, since it is larger than the sum of its proper divisors (1086273).

1591359 is an equidigital number, since it uses as much as digits as its factorization.

1591359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 104 counting only the distinct ones).

The product of its digits is 6075, while the sum is 33.

The square root of 1591359 is about 1261.4907847464. The cubic root of 1591359 is about 116.7497757028.

The spelling of 1591359 in words is "one million, five hundred ninety-one thousand, three hundred fifty-nine".