2459561 has 8 divisors (see below), whose sum is σ = 2670024. Its totient is φ = 2252160.

The previous prime is 2459497. The next prime is 2459563. The reversal of 2459561 is 1659542.

It is a happy number.

2459561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 115600 + 2343961 = 340^2 + 1531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2459561 - 2⁶ = 2459497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2459563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (333753).

2^2459561 is an apocalyptic number.

It is an amenable number.

2459561 is a deficient number, since it is larger than the sum of its proper divisors (210463).

2459561 is a wasteful number, since it uses less digits than its factorization.

2459561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its digits is 10800, while the sum is 32.

The square root of 2459561 is about 1568.2987598031. The cubic root of 2459561 is about 134.9851103834.

The spelling of 2459561 in words is "two million, four hundred fifty-nine thousand, five hundred sixty-one".