51230983 has 2 divisors, whose sum is σ = 51230984. Its totient is φ = 51230982.

The previous prime is 51230951. The next prime is 51230989. The reversal of 51230983 is 38903215.

It is a happy number.

51230983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51230983 - 2⁵ = 51230951 is a prime.

It is a super-2 number, since 2×51230983² = 5249227238292578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51230989) 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, 25615491 + 25615492.

It is an arithmetic number, because the mean of its divisors is an integer number (25615492).

Almost surely, 2^51230983 is an apocalyptic number.

51230983 is a deficient number, since it is larger than the sum of its proper divisors (1).

51230983 is an equidigital number, since it uses as much as digits as its factorization.

51230983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 51230983 is about 7157.5822035098. The cubic root of 51230983 is about 371.4019928079.

The spelling of 51230983 in words is "fifty-one million, two hundred thirty thousand, nine hundred eighty-three".