662593 has 4 divisors (see below), whose sum is σ = 664660. Its totient is φ = 660528.

The previous prime is 662591. The next prime is 662617. The reversal of 662593 is 395266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 263169 = 632^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 662593 - 2¹ = 662591 is a prime.

It is a d-powerful number, because it can be written as 6² + 6² + 5 + 2¹⁷ + 9⁶ + 3 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (166165).

2⁶⁶²⁵⁹³ is an apocalyptic number.

It is an amenable number.

662593 is a deficient number, since it is larger than the sum of its proper divisors (2067).

662593 is a wasteful number, since it uses less digits than its factorization.

662593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its digits is 9720, while the sum is 31.

The square root of 662593 is about 813.9981572461. The cubic root of 662593 is about 87.1797490358.

The spelling of 662593 in words is "six hundred sixty-two thousand, five hundred ninety-three".