51030671 has 2 divisors, whose sum is σ = 51030672. Its totient is φ = 51030670.

The previous prime is 51030649. The next prime is 51030737. The reversal of 51030671 is 17603015.

51030671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51030671 - 2¹⁴ = 51014287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51030631) 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, 25515335 + 25515336.

It is an arithmetic number, because the mean of its divisors is an integer number (25515336).

Almost surely, 2^51030671 is an apocalyptic number.

51030671 is a deficient number, since it is larger than the sum of its proper divisors (1).

51030671 is an equidigital number, since it uses as much as digits as its factorization.

51030671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 51030671 is about 7143.5755053054. The cubic root of 51030671 is about 370.9173027149.

Adding to 51030671 its reverse (17603015), we get a palindrome (68633686).

The spelling of 51030671 in words is "fifty-one million, thirty thousand, six hundred seventy-one".