4812661 has 4 divisors (see below), whose sum is σ = 5500192. Its totient is φ = 4125132.

The previous prime is 4812653. The next prime is 4812707. The reversal of 4812661 is 1662184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4812661 - 2³ = 4812653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4812611) 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, 343755 + ... + 343768.

It is an arithmetic number, because the mean of its divisors is an integer number (1375048).

Almost surely, 2^4812661 is an apocalyptic number.

It is an amenable number.

4812661 is a deficient number, since it is larger than the sum of its proper divisors (687531).

4812661 is an equidigital number, since it uses as much as digits as its factorization.

4812661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687530.

The product of its digits is 2304, while the sum is 28.

The square root of 4812661 is about 2193.7777918467. Note that the first 4 decimals coincide. The cubic root of 4812661 is about 168.8347181383.

The spelling of 4812661 in words is "four million, eight hundred twelve thousand, six hundred sixty-one".