51346223 has 2 divisors, whose sum is σ = 51346224. Its totient is φ = 51346222.

The previous prime is 51346219. The next prime is 51346247. The reversal of 51346223 is 32264315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51346223 - 2² = 51346219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51346192 and 51346201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51346213) 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, 25673111 + 25673112.

It is an arithmetic number, because the mean of its divisors is an integer number (25673112).

Almost surely, 2^51346223 is an apocalyptic number.

51346223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346223 is an equidigital number, since it uses as much as digits as its factorization.

51346223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 51346223 is about 7165.6278859567. The cubic root of 51346223 is about 371.6802639581.

The spelling of 51346223 in words is "fifty-one million, three hundred forty-six thousand, two hundred twenty-three".