51321201 has 8 divisors (see below), whose sum is σ = 68671200. Its totient is φ = 34092672.

The previous prime is 51321197. The next prime is 51321203. The reversal of 51321201 is 10212315.

51321201 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 not a de Polignac number, because 51321201 - 2² = 51321197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51321203) 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, 29376 + ... + 31073.

It is an arithmetic number, because the mean of its divisors is an integer number (8583900).

Almost surely, 2^51321201 is an apocalyptic number.

It is an amenable number.

51321201 is a deficient number, since it is larger than the sum of its proper divisors (17349999).

51321201 is a wasteful number, since it uses less digits than its factorization.

51321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60735.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51321201 is about 7163.8816991907. The cubic root of 51321201 is about 371.6198785059.

Adding to 51321201 its reverse (10212315), we get a palindrome (61533516).

The spelling of 51321201 in words is "fifty-one million, three hundred twenty-one thousand, two hundred one".