2059561 has 4 divisors (see below), whose sum is σ = 2353792. Its totient is φ = 1765332.

The previous prime is 2059537. The next prime is 2059573. The reversal of 2059561 is 1659502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2059561 - 2¹⁷ = 1928489 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147105 + ... + 147118.

It is an arithmetic number, because the mean of its divisors is an integer number (588448).

2^2059561 is an apocalyptic number.

It is an amenable number.

2059561 is a deficient number, since it is larger than the sum of its proper divisors (294231).

2059561 is an equidigital number, since it uses as much as digits as its factorization.

2059561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294230.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2059561 is about 1435.1170683955. The cubic root of 2059561 is about 127.2305935207.

The spelling of 2059561 in words is "two million, fifty-nine thousand, five hundred sixty-one".