51244273 has 16 divisors (see below), whose sum is σ = 58104000. Its totient is φ = 44900352.

The previous prime is 51244243. The next prime is 51244289. The reversal of 51244273 is 37244215.

It is a cyclic number.

It is not a de Polignac number, because 51244273 - 2⁹ = 51243761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51244243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17713 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (3631500).

Almost surely, 2^51244273 is an apocalyptic number.

It is an amenable number.

51244273 is a deficient number, since it is larger than the sum of its proper divisors (6859727).

51244273 is a wasteful number, since it uses less digits than its factorization.

51244273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784.

The product of its digits is 6720, while the sum is 28.

The square root of 51244273 is about 7158.5105294328. The cubic root of 51244273 is about 371.4341055741.

Adding to 51244273 its reverse (37244215), we get a palindrome (88488488).

The spelling of 51244273 in words is "fifty-one million, two hundred forty-four thousand, two hundred seventy-three".