662513 has 2 divisors, whose sum is σ = 662514. Its totient is φ = 662512.

The previous prime is 662491. The next prime is 662527. The reversal of 662513 is 315266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339889 + 322624 = 583^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 662513 - 2⁶ = 662449 is a prime.

It is not a weakly prime, because it can be changed into another prime (662713) 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, 331256 + 331257.

It is an arithmetic number, because the mean of its divisors is an integer number (331257).

2⁶⁶²⁵¹³ is an apocalyptic number.

It is an amenable number.

662513 is a deficient number, since it is larger than the sum of its proper divisors (1).

662513 is an equidigital number, since it uses as much as digits as its factorization.

662513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 662513 is about 813.9490156023. The cubic root of 662513 is about 87.1762402652.

Adding to 662513 its reverse (315266), we get a palindrome (977779).

The spelling of 662513 in words is "six hundred sixty-two thousand, five hundred thirteen".