662303 has 4 divisors (see below), whose sum is σ = 701280. Its totient is φ = 623328.

The previous prime is 662287. The next prime is 662309. The reversal of 662303 is 303266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 662303 - 2⁴ = 662287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662309) 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 in 3 ways as a sum of consecutive naturals, for example, 19463 + ... + 19496.

It is an arithmetic number, because the mean of its divisors is an integer number (175320).

2⁶⁶²³⁰³ is an apocalyptic number.

662303 is a deficient number, since it is larger than the sum of its proper divisors (38977).

662303 is a wasteful number, since it uses less digits than its factorization.

662303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38976.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 662303 is about 813.8200046693. The cubic root of 662303 is about 87.1670283981.

Adding to 662303 its reverse (303266), we get a palindrome (965569).

The spelling of 662303 in words is "six hundred sixty-two thousand, three hundred three".