51254273 has 8 divisors (see below), whose sum is σ = 58656192. Its totient is φ = 43872336.

The previous prime is 51254257. The next prime is 51254297. The reversal of 51254273 is 37245215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51254273 - 2⁴ = 51254257 is a prime.

It is a super-3 number, since 3×51254273³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51154273) 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, 986 + ... + 10172.

It is an arithmetic number, because the mean of its divisors is an integer number (7332024).

Almost surely, 2^51254273 is an apocalyptic number.

It is an amenable number.

51254273 is a deficient number, since it is larger than the sum of its proper divisors (7401919).

51254273 is an equidigital number, since it uses as much as digits as its factorization.

51254273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991.

The product of its digits is 8400, while the sum is 29.

The square root of 51254273 is about 7159.2089646832. The cubic root of 51254273 is about 371.4582650183.

Adding to 51254273 its reverse (37245215), we get a palindrome (88499488).

The spelling of 51254273 in words is "fifty-one million, two hundred fifty-four thousand, two hundred seventy-three".