662875 has 8 divisors (see below), whose sum is σ = 827424. Its totient is φ = 530200.

The previous prime is 662867. The next prime is 662897. The reversal of 662875 is 578266.

It is not a de Polignac number, because 662875 - 2³ = 662867 is a prime.

It is a Duffinian number.

662875 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 662875.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2527 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (103428).

2⁶⁶²⁸⁷⁵ is an apocalyptic number.

662875 is a deficient number, since it is larger than the sum of its proper divisors (164549).

662875 is an equidigital number, since it uses as much as digits as its factorization.

662875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318 (or 5308 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 662875 is about 814.1713578848. The cubic root of 662875 is about 87.1921152004.

The spelling of 662875 in words is "six hundred sixty-two thousand, eight hundred seventy-five".