662603 has 4 divisors (see below), whose sum is σ = 667200. Its totient is φ = 658008.

The previous prime is 662591. The next prime is 662617. The reversal of 662603 is 306266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306266 = 2 ⋅153133.

It is a cyclic number.

It is not a de Polignac number, because 662603 - 2⁶ = 662539 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (662693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (166800).

2⁶⁶²⁶⁰³ is an apocalyptic number.

662603 is a deficient number, since it is larger than the sum of its proper divisors (4597).

662603 is a wasteful number, since it uses less digits than its factorization.

662603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 662603 is about 814.0042997429. The cubic root of 662603 is about 87.1801876123.

Adding to 662603 its reverse (306266), we get a palindrome (968869).

The spelling of 662603 in words is "six hundred sixty-two thousand, six hundred three".