5259561 has 16 divisors (see below), whose sum is σ = 7525440. Its totient is φ = 3257280.

The previous prime is 5259547. The next prime is 5259563. The reversal of 5259561 is 1659525.

It is not a de Polignac number, because 5259561 - 2¹⁴ = 5243177 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5259563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^5259561 is an apocalyptic number.

It is an amenable number.

5259561 is a deficient number, since it is larger than the sum of its proper divisors (2265879).

5259561 is a wasteful number, since it uses less digits than its factorization.

5259561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 13500, while the sum is 33.

The square root of 5259561 is about 2293.3732796909. The cubic root of 5259561 is about 173.9067739470.

The spelling of 5259561 in words is "five million, two hundred fifty-nine thousand, five hundred sixty-one".