51241223 has 8 divisors (see below), whose sum is σ = 55969920. Its totient is φ = 46524280.

The previous prime is 51241219. The next prime is 51241237. The reversal of 51241223 is 32214215.

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

It is not a de Polignac number, because 51241223 - 2² = 51241219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51241195 and 51241204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241243) 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, 7958 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (6996240).

Almost surely, 2^51241223 is an apocalyptic number.

51241223 is a deficient number, since it is larger than the sum of its proper divisors (4728697).

51241223 is a wasteful number, since it uses less digits than its factorization.

51241223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877.

The product of its digits is 480, while the sum is 20.

The square root of 51241223 is about 7158.2974931194. The cubic root of 51241223 is about 371.4267363181.

Adding to 51241223 its reverse (32214215), we get a palindrome (83455438).

The spelling of 51241223 in words is "fifty-one million, two hundred forty-one thousand, two hundred twenty-three".