51245323 has 4 divisors (see below), whose sum is σ = 51584848. Its totient is φ = 50905800.

The previous prime is 51245317. The next prime is 51245339. The reversal of 51245323 is 32354215.

51245323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51245323 - 2⁹ = 51244811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51245393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169536 + ... + 169837.

It is an arithmetic number, because the mean of its divisors is an integer number (12896212).

Almost surely, 2^51245323 is an apocalyptic number.

51245323 is a deficient number, since it is larger than the sum of its proper divisors (339525).

51245323 is a wasteful number, since it uses less digits than its factorization.

51245323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339524.

The product of its digits is 3600, while the sum is 25.

The square root of 51245323 is about 7158.5838683360. The cubic root of 51245323 is about 371.4366424634.

Adding to 51245323 its reverse (32354215), we get a palindrome (83599538).

The spelling of 51245323 in words is "fifty-one million, two hundred forty-five thousand, three hundred twenty-three".