662001 has 4 divisors (see below), whose sum is σ = 882672. Its totient is φ = 441332.

The previous prime is 661993. The next prime is 662003. The reversal of 662001 is 100266.

662001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 662001 - 2³ = 661993 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662001.

It is not an unprimeable number, because it can be changed into a prime (662003) 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, 110331 + ... + 110336.

It is an arithmetic number, because the mean of its divisors is an integer number (220668).

2⁶⁶²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

662001 is a deficient number, since it is larger than the sum of its proper divisors (220671).

662001 is a wasteful number, since it uses less digits than its factorization.

662001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220670.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 662001 is about 813.6344387991. The cubic root of 662001 is about 87.1537774416.

Adding to 662001 its reverse (100266), we get a palindrome (762267).

The spelling of 662001 in words is "six hundred sixty-two thousand, one".