51626233 has 2 divisors, whose sum is σ = 51626234. Its totient is φ = 51626232.

The previous prime is 51626231. The next prime is 51626261. The reversal of 51626233 is 33262615.

51626233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51626261) can be obtained adding 51626233 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 4112784 = 6893^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 51626233 - 2¹ = 51626231 is a prime.

Together with 51626231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51626231) 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 as a sum of consecutive naturals, namely, 25813116 + 25813117.

It is an arithmetic number, because the mean of its divisors is an integer number (25813117).

Almost surely, 2^51626233 is an apocalyptic number.

It is an amenable number.

51626233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51626233 is an equidigital number, since it uses as much as digits as its factorization.

51626233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 51626233 is about 7185.1397342014. The cubic root of 51626233 is about 372.3546762821.

Adding to 51626233 its reverse (33262615), we get a palindrome (84888848).

The spelling of 51626233 in words is "fifty-one million, six hundred twenty-six thousand, two hundred thirty-three".