662313 has 4 divisors (see below), whose sum is σ = 883088. Its totient is φ = 441540.

The previous prime is 662309. The next prime is 662323. The reversal of 662313 is 313266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 662313 - 2² = 662309 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 662313.

It is not an unprimeable number, because it can be changed into a prime (662323) 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, 110383 + ... + 110388.

It is an arithmetic number, because the mean of its divisors is an integer number (220772).

2⁶⁶²³¹³ is an apocalyptic number.

It is an amenable number.

662313 is a deficient number, since it is larger than the sum of its proper divisors (220775).

662313 is a wasteful number, since it uses less digits than its factorization.

662313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220774.

The product of its digits is 648, while the sum is 21.

The square root of 662313 is about 813.8261485108. The cubic root of 662313 is about 87.1674671026.

Adding to 662313 its reverse (313266), we get a palindrome (975579).

The spelling of 662313 in words is "six hundred sixty-two thousand, three hundred thirteen".