51405314 has 8 divisors (see below), whose sum is σ = 81643788. Its totient is φ = 24190720.

The previous prime is 51405271. The next prime is 51405337. The reversal of 51405314 is 41350415.

It can be written as a sum of positive squares in 2 ways, for example, as 50879689 + 525625 = 7133^2 + 725^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51405314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755927 + ... + 755994.

Almost surely, 2^51405314 is an apocalyptic number.

51405314 is a deficient number, since it is larger than the sum of its proper divisors (30238474).

51405314 is a wasteful number, since it uses less digits than its factorization.

51405314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511940.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51405314 is about 7169.7499259040. The cubic root of 51405314 is about 371.8227901092.

Adding to 51405314 its reverse (41350415), we get a palindrome (92755729).

The spelling of 51405314 in words is "fifty-one million, four hundred five thousand, three hundred fourteen".