53017513 has 2 divisors, whose sum is σ = 53017514. Its totient is φ = 53017512.

The previous prime is 53017501. The next prime is 53017529. The reversal of 53017513 is 31571035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50865424 + 2152089 = 7132^2 + 1467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53017513 is a prime.

It is not a weakly prime, because it can be changed into another prime (53017213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26508756 + 26508757.

It is an arithmetic number, because the mean of its divisors is an integer number (26508757).

Almost surely, 2^53017513 is an apocalyptic number.

It is an amenable number.

53017513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53017513 is an equidigital number, since it uses as much as digits as its factorization.

53017513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 53017513 is about 7281.3125877138. The cubic root of 53017513 is about 375.6699443454.

Adding to 53017513 its reverse (31571035), we get a palindrome (84588548).

The spelling of 53017513 in words is "fifty-three million, seventeen thousand, five hundred thirteen".