662713 has 2 divisors, whose sum is σ = 662714. Its totient is φ = 662712.

The previous prime is 662693. The next prime is 662719. The reversal of 662713 is 317266.

662713 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., 345744 + 316969 = 588^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 662713 - 2⁵ = 662681 is a prime.

It is not a weakly prime, because it can be changed into another prime (662719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331356 + 331357.

It is an arithmetic number, because the mean of its divisors is an integer number (331357).

2⁶⁶²⁷¹³ is an apocalyptic number.

It is an amenable number.

662713 is a deficient number, since it is larger than the sum of its proper divisors (1).

662713 is an equidigital number, since it uses as much as digits as its factorization.

662713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 662713 is about 814.0718641496. The cubic root of 662713 is about 87.1850116623.

Adding to 662713 its product of digits (1512), we get a square (664225 = 815²).

Adding to 662713 its reverse (317266), we get a palindrome (979979).

It can be divided in two parts, 6 and 62713, that multiplied together give a triangular number (376278 = T₈₆₇).

The spelling of 662713 in words is "six hundred sixty-two thousand, seven hundred thirteen".