51213314 has 8 divisors (see below), whose sum is σ = 77012748. Its totient is φ = 25542400.

The previous prime is 51213289. The next prime is 51213319. The reversal of 51213314 is 41331215.

It can be written as a sum of positive squares in 2 ways, for example, as 42315025 + 8898289 = 6505^2 + 2983^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51213319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31127 + ... + 32730.

Almost surely, 2^51213314 is an apocalyptic number.

51213314 is a deficient number, since it is larger than the sum of its proper divisors (25799434).

51213314 is a wasteful number, since it uses less digits than its factorization.

51213314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64260.

The product of its digits is 360, while the sum is 20.

The square root of 51213314 is about 7156.3478115586. The cubic root of 51213314 is about 371.3592904171.

Adding to 51213314 its reverse (41331215), we get a palindrome (92544529).

The spelling of 51213314 in words is "fifty-one million, two hundred thirteen thousand, three hundred fourteen".