662633 has 4 divisors (see below), whose sum is σ = 680580. Its totient is φ = 644688.

The previous prime is 662617. The next prime is 662639. The reversal of 662633 is 336266.

It is a happy number.

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 458329 + 204304 = 677^2 + 452^2 .

It is not a de Polignac number, because 662633 - 2⁴ = 662617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (662639) 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, 8918 + ... + 8991.

It is an arithmetic number, because the mean of its divisors is an integer number (170145).

2⁶⁶²⁶³³ is an apocalyptic number.

It is an amenable number.

662633 is a deficient number, since it is larger than the sum of its proper divisors (17947).

662633 is a wasteful number, since it uses less digits than its factorization.

662633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17946.

The product of its digits is 3888, while the sum is 26.

The square root of 662633 is about 814.0227269555. The cubic root of 662633 is about 87.1815033152.

Adding to 662633 its reverse (336266), we get a palindrome (998899).

It can be divided in two parts, 66263 and 3, that added together give a palindrome (66266).

The spelling of 662633 in words is "six hundred sixty-two thousand, six hundred thirty-three".