2446561 has 4 divisors (see below), whose sum is σ = 2634772. Its totient is φ = 2258352.

The previous prime is 2446529. The next prime is 2446567. The reversal of 2446561 is 1656442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1656442 = 2 ⋅828221.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 2310400 = 369^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2446561 - 2⁵ = 2446529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2446567) 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, 94086 + ... + 94111.

It is an arithmetic number, because the mean of its divisors is an integer number (658693).

2^2446561 is an apocalyptic number.

It is an amenable number.

2446561 is a deficient number, since it is larger than the sum of its proper divisors (188211).

2446561 is a wasteful number, since it uses less digits than its factorization.

2446561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188210.

The product of its digits is 5760, while the sum is 28.

The square root of 2446561 is about 1564.1486502248. The cubic root of 2446561 is about 134.7468690578.

The spelling of 2446561 in words is "two million, four hundred forty-six thousand, five hundred sixty-one".