51243301 has 8 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 49996848.

The previous prime is 51243289. The next prime is 51243331. The reversal of 51243301 is 10334215.

51243301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51243301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243331) 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 7 ways as a sum of consecutive naturals, for example, 15355 + ... + 18391.

It is an arithmetic number, because the mean of its divisors is an integer number (6562080).

Almost surely, 2^51243301 is an apocalyptic number.

It is an amenable number.

51243301 is a deficient number, since it is larger than the sum of its proper divisors (1253339).

51243301 is a wasteful number, since it uses less digits than its factorization.

51243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51243301 is about 7158.4426378927. The cubic root of 51243301 is about 371.4317571085.

Adding to 51243301 its reverse (10334215), we get a palindrome (61577516).

The spelling of 51243301 in words is "fifty-one million, two hundred forty-three thousand, three hundred one".