2561059 has 4 divisors (see below), whose sum is σ = 2596216. Its totient is φ = 2525904.

The previous prime is 2561051. The next prime is 2561063. The reversal of 2561059 is 9501652.

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

It is a cyclic number.

It is not a de Polignac number, because 2561059 - 2³ = 2561051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2561051) 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, 17469 + ... + 17614.

It is an arithmetic number, because the mean of its divisors is an integer number (649054).

2^2561059 is an apocalyptic number.

2561059 is a deficient number, since it is larger than the sum of its proper divisors (35157).

2561059 is an equidigital number, since it uses as much as digits as its factorization.

2561059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35156.

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

The square root of 2561059 is about 1600.3309032822. The cubic root of 2561059 is about 136.8169363058.

The spelling of 2561059 in words is "two million, five hundred sixty-one thousand, fifty-nine".