1594161 has 10 divisors (see below), whose sum is σ = 2381522. Its totient is φ = 1062720.

The previous prime is 1594147. The next prime is 1594169. The reversal of 1594161 is 1614951.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 6561 = 1260^2 + 81^2 .

It is not a de Polignac number, because 1594161 - 2⁵ = 1594129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1594169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9760 + ... + 9921.

2^1594161 is an apocalyptic number.

It is an amenable number.

1594161 is a deficient number, since it is larger than the sum of its proper divisors (787361).

1594161 is an equidigital number, since it uses as much as digits as its factorization.

1594161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693 (or 19684 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1594161 is about 1262.6008870581. The cubic root of 1594161 is about 116.8182582719.

The spelling of 1594161 in words is "one million, five hundred ninety-four thousand, one hundred sixty-one".