662579 has 4 divisors (see below), whose sum is σ = 666240. Its totient is φ = 658920.

The previous prime is 662567. The next prime is 662591. The reversal of 662579 is 975266.

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

It is an interprime number because it is at equal distance from previous prime (662567) and next prime (662591).

It is a cyclic number.

It is not a de Polignac number, because 662579 - 2⁸ = 662323 is a prime.

It is a d-powerful number, because it can be written as 6 + 6 + 5 + 2¹⁷ + 7² + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662539) 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, 1544 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (166560).

2⁶⁶²⁵⁷⁹ is an apocalyptic number.

662579 is a deficient number, since it is larger than the sum of its proper divisors (3661).

662579 is a wasteful number, since it uses less digits than its factorization.

662579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 22680, while the sum is 35.

The square root of 662579 is about 813.9895576726. The cubic root of 662579 is about 87.1791350213.

It can be divided in two parts, 66257 and 9, that added together give a palindrome (66266).

The spelling of 662579 in words is "six hundred sixty-two thousand, five hundred seventy-nine".