6461223 has 8 divisors (see below), whose sum is σ = 8815488. Its totient is φ = 4207224.

The previous prime is 6461219. The next prime is 6461233. The reversal of 6461223 is 3221646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6461223 - 2² = 6461219 is a prime.

6461223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6461193 and 6461202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461233) 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, 24915 + ... + 25172.

It is an arithmetic number, because the mean of its divisors is an integer number (1101936).

Almost surely, 2^6461223 is an apocalyptic number.

6461223 is a deficient number, since it is larger than the sum of its proper divisors (2354265).

6461223 is a wasteful number, since it uses less digits than its factorization.

6461223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50133.

The product of its digits is 1728, while the sum is 24.

The square root of 6461223 is about 2541.8935854988. The cubic root of 6461223 is about 186.2537005105.

Adding to 6461223 its reverse (3221646), we get a palindrome (9682869).

The spelling of 6461223 in words is "six million, four hundred sixty-one thousand, two hundred twenty-three".