51082223 has 2 divisors, whose sum is σ = 51082224. Its totient is φ = 51082222.

The previous prime is 51082219. The next prime is 51082247. The reversal of 51082223 is 32228015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51082223 - 2² = 51082219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51042223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541111 + 25541112.

It is an arithmetic number, because the mean of its divisors is an integer number (25541112).

Almost surely, 2^51082223 is an apocalyptic number.

51082223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51082223 is an equidigital number, since it uses as much as digits as its factorization.

51082223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51082223 is about 7147.1828715935. The cubic root of 51082223 is about 371.0421628762.

The spelling of 51082223 in words is "fifty-one million, eighty-two thousand, two hundred twenty-three".