2059581 has 16 divisors (see below), whose sum is σ = 3018240. Its totient is φ = 1243440.

The previous prime is 2059573. The next prime is 2059613. The reversal of 2059581 is 1859502.

It is not a de Polignac number, because 2059581 - 2³ = 2059573 is a prime.

It is a super-2 number, since 2×2059581² = 8483747791122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (188640).

2^2059581 is an apocalyptic number.

It is an amenable number.

2059581 is a deficient number, since it is larger than the sum of its proper divisors (958659).

2059581 is a wasteful number, since it uses less digits than its factorization.

2059581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2059581 is about 1435.1240364512. The cubic root of 2059581 is about 127.2310053566.

The spelling of 2059581 in words is "two million, fifty-nine thousand, five hundred eighty-one".