6344561 has 4 divisors (see below), whose sum is σ = 6349824. Its totient is φ = 6339300.

The previous prime is 6344557. The next prime is 6344579. The reversal of 6344561 is 1654436.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6344561 - 2² = 6344557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6344581) 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, 176 + ... + 3566.

It is an arithmetic number, because the mean of its divisors is an integer number (1587456).

Almost surely, 2^6344561 is an apocalyptic number.

It is an amenable number.

6344561 is a deficient number, since it is larger than the sum of its proper divisors (5263).

6344561 is a wasteful number, since it uses less digits than its factorization.

6344561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262.

The product of its digits is 8640, while the sum is 29.

The square root of 6344561 is about 2518.8412018228. The cubic root of 6344561 is about 185.1259040685.

Adding to 6344561 its reverse (1654436), we get a palindrome (7998997).

The spelling of 6344561 in words is "six million, three hundred forty-four thousand, five hundred sixty-one".