51362313 has 4 divisors (see below), whose sum is σ = 68483088. Its totient is φ = 34241540.

The previous prime is 51362303. The next prime is 51362317. The reversal of 51362313 is 31326315.

It is a happy number.

51362313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51362313 - 2⁶ = 51362249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51362317) 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 3 ways as a sum of consecutive naturals, for example, 8560383 + ... + 8560388.

It is an arithmetic number, because the mean of its divisors is an integer number (17120772).

Almost surely, 2^51362313 is an apocalyptic number.

It is an amenable number.

51362313 is a deficient number, since it is larger than the sum of its proper divisors (17120775).

51362313 is a wasteful number, since it uses less digits than its factorization.

51362313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17120774.

The product of its digits is 1620, while the sum is 24.

The square root of 51362313 is about 7166.7505188893. The cubic root of 51362313 is about 371.7190835021.

Adding to 51362313 its reverse (31326315), we get a palindrome (82688628).

It can be divided in two parts, 513 and 62313, that added together give a palindrome (62826).

The spelling of 51362313 in words is "fifty-one million, three hundred sixty-two thousand, three hundred thirteen".