4671561 has 8 divisors (see below), whose sum is σ = 6334560. Its totient is φ = 3061472.

The previous prime is 4671547. The next prime is 4671571. The reversal of 4671561 is 1651764.

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 4671561 - 2⁵ = 4671529 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4671571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13020 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (791820).

Almost surely, 2^4671561 is an apocalyptic number.

It is an amenable number.

4671561 is a deficient number, since it is larger than the sum of its proper divisors (1662999).

4671561 is a wasteful number, since it uses less digits than its factorization.

4671561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26455.

The product of its digits is 5040, while the sum is 30.

The square root of 4671561 is about 2161.3794206478. The cubic root of 4671561 is about 167.1683315899.

The spelling of 4671561 in words is "four million, six hundred seventy-one thousand, five hundred sixty-one".