51352401 has 8 divisors (see below), whose sum is σ = 69135040. Its totient is φ = 33902352.

The previous prime is 51352391. The next prime is 51352439. The reversal of 51352401 is 10425315.

51352401 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 51352401 - 2¹⁷ = 51221329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51352201) 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, 82786 + ... + 83403.

It is an arithmetic number, because the mean of its divisors is an integer number (8641880).

Almost surely, 2^51352401 is an apocalyptic number.

It is an amenable number.

51352401 is a deficient number, since it is larger than the sum of its proper divisors (17782639).

51352401 is a wasteful number, since it uses less digits than its factorization.

51352401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166295.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51352401 is about 7166.0589587304. The cubic root of 51352401 is about 371.6951702709.

Adding to 51352401 its reverse (10425315), we get a palindrome (61777716).

The spelling of 51352401 in words is "fifty-one million, three hundred fifty-two thousand, four hundred one".