4906561 has 8 divisors (see below), whose sum is σ = 5392800. Its totient is φ = 4427040.

The previous prime is 4906547. The next prime is 4906589. The reversal of 4906561 is 1656094.

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 4906561 - 2¹⁷ = 4775489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4906261) 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, 76 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (674100).

Almost surely, 2^4906561 is an apocalyptic number.

It is an amenable number.

4906561 is a deficient number, since it is larger than the sum of its proper divisors (486239).

4906561 is a wasteful number, since it uses less digits than its factorization.

4906561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4906561 is about 2215.0758452026. The cubic root of 4906561 is about 169.9256999418.

The spelling of 4906561 in words is "four million, nine hundred six thousand, five hundred sixty-one".