53130317 has 2 divisors, whose sum is σ = 53130318. Its totient is φ = 53130316.

The previous prime is 53130281. The next prime is 53130347. The reversal of 53130317 is 71303135.

It is a happy number.

53130317 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 can be written as a sum of positive squares in only one way, i.e., 53085796 + 44521 = 7286^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 53130317 - 2¹⁸ = 52868173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53130292 and 53130301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53130347) 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, 26565158 + 26565159.

It is an arithmetic number, because the mean of its divisors is an integer number (26565159).

Almost surely, 2^53130317 is an apocalyptic number.

It is an amenable number.

53130317 is a deficient number, since it is larger than the sum of its proper divisors (1).

53130317 is an equidigital number, since it uses as much as digits as its factorization.

53130317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 53130317 is about 7289.0546026217. The cubic root of 53130317 is about 375.9361900355.

The spelling of 53130317 in words is "fifty-three million, one hundred thirty thousand, three hundred seventeen".