51287314 has 8 divisors (see below), whose sum is σ = 82848780. Its totient is φ = 23671056.

The previous prime is 51287281. The next prime is 51287329. The reversal of 51287314 is 41378215.

It can be written as a sum of positive squares in 2 ways, for example, as 42185025 + 9102289 = 6495^2 + 3017^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986269 + ... + 986320.

Almost surely, 2^51287314 is an apocalyptic number.

51287314 is a deficient number, since it is larger than the sum of its proper divisors (31561466).

51287314 is a wasteful number, since it uses less digits than its factorization.

51287314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972604.

The product of its digits is 6720, while the sum is 31.

The square root of 51287314 is about 7161.5161802512. The cubic root of 51287314 is about 371.5380679006.

Subtracting from 51287314 its reverse (41378215), we obtain a palindrome (9909099).

The spelling of 51287314 in words is "fifty-one million, two hundred eighty-seven thousand, three hundred fourteen".