4876561 has 4 divisors (see below), whose sum is σ = 4889124. Its totient is φ = 4864000.

The previous prime is 4876513. The next prime is 4876607. The reversal of 4876561 is 1656784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3400336 + 1476225 = 1844^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4876561 - 2⁹ = 4876049 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4876561.

It is not an unprimeable number, because it can be changed into a prime (4876511) 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, 5680 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (1222281).

Almost surely, 2^4876561 is an apocalyptic number.

It is an amenable number.

4876561 is a deficient number, since it is larger than the sum of its proper divisors (12563).

4876561 is a wasteful number, since it uses less digits than its factorization.

4876561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562.

The product of its digits is 40320, while the sum is 37.

The square root of 4876561 is about 2208.2936851787. The cubic root of 4876561 is about 169.5786682743.

The spelling of 4876561 in words is "four million, eight hundred seventy-six thousand, five hundred sixty-one".