52306217 has 2 divisors, whose sum is σ = 52306218. Its totient is φ = 52306216.

The previous prime is 52306171. The next prime is 52306223. The reversal of 52306217 is 71260325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 22505536 = 5459^2 + 4744^2 .

It is a cyclic number.

It is not a de Polignac number, because 52306217 - 2⁶ = 52306153 is a prime.

It is equal to p_3130991 and since 52306217 and 3130991 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52306417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26153108 + 26153109.

It is an arithmetic number, because the mean of its divisors is an integer number (26153109).

Almost surely, 2^52306217 is an apocalyptic number.

It is an amenable number.

52306217 is a deficient number, since it is larger than the sum of its proper divisors (1).

52306217 is an equidigital number, since it uses as much as digits as its factorization.

52306217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 52306217 is about 7232.3037132023. The cubic root of 52306217 is about 373.9823478185.

The spelling of 52306217 in words is "fifty-two million, three hundred six thousand, two hundred seventeen".