51305234 has 8 divisors (see below), whose sum is σ = 79611660. Its totient is φ = 24768016.

The previous prime is 51305197. The next prime is 51305237. The reversal of 51305234 is 43250315.

51305234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 225625 = 7147^2 + 475^2 .

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 (51305237) 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, 442229 + ... + 442344.

Almost surely, 2^51305234 is an apocalyptic number.

51305234 is a deficient number, since it is larger than the sum of its proper divisors (28306426).

51305234 is a wasteful number, since it uses less digits than its factorization.

51305234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884604.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51305234 is about 7162.7672026948. The cubic root of 51305234 is about 371.5813351752.

Adding to 51305234 its reverse (43250315), we get a palindrome (94555549).

The spelling of 51305234 in words is "fifty-one million, three hundred five thousand, two hundred thirty-four".