662017 has 4 divisors (see below), whose sum is σ = 696880. Its totient is φ = 627156.

The previous prime is 662003. The next prime is 662021. The reversal of 662017 is 710266.

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 662017 - 2⁷ = 661889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (662047) 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, 17403 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (174220).

2⁶⁶²⁰¹⁷ is an apocalyptic number.

It is an amenable number.

662017 is a deficient number, since it is larger than the sum of its proper divisors (34863).

662017 is a wasteful number, since it uses less digits than its factorization.

662017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 662017 is about 813.6442711652. The cubic root of 662017 is about 87.1544795801.

The spelling of 662017 in words is "six hundred sixty-two thousand, seventeen".