6483661 has 4 divisors (see below), whose sum is σ = 6491932. Its totient is φ = 6475392.

The previous prime is 6483643. The next prime is 6483667. The reversal of 6483661 is 1663846.

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 3261636 + 3222025 = 1806^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 6483661 - 2¹⁵ = 6450893 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 (6483667) 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, 2820 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (1622983).

Almost surely, 2^6483661 is an apocalyptic number.

It is an amenable number.

6483661 is a deficient number, since it is larger than the sum of its proper divisors (8271).

6483661 is an equidigital number, since it uses as much as digits as its factorization.

6483661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270.

The product of its digits is 20736, while the sum is 34.

The square root of 6483661 is about 2546.3033990473. The cubic root of 6483661 is about 186.4690535566.

The spelling of 6483661 in words is "six million, four hundred eighty-three thousand, six hundred sixty-one".