51241574273 has 8 divisors (see below), whose sum is σ = 53017994280. Its totient is φ = 49465785600.

The previous prime is 51241574269. The next prime is 51241574287. The reversal of 51241574273 is 37247514215.

It can be written as a sum of positive squares in 4 ways, for example, as 16597941889 + 34643632384 = 128833^2 + 186128^2 .

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 51241574273 - 2² = 51241574269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51241574273.

It is not an unprimeable number, because it can be changed into a prime (51241574243) 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, 10361 + ... + 320297.

It is an arithmetic number, because the mean of its divisors is an integer number (6627249285).

Almost surely, 2^51241574273 is an apocalyptic number.

It is an amenable number.

51241574273 is a deficient number, since it is larger than the sum of its proper divisors (1776420007).

51241574273 is a wasteful number, since it uses less digits than its factorization.

51241574273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315667.

The product of its digits is 235200, while the sum is 41.

The spelling of 51241574273 in words is "fifty-one billion, two hundred forty-one million, five hundred seventy-four thousand, two hundred seventy-three".