620065 has 16 divisors (see below), whose sum is σ = 803520. Its totient is φ = 457920.

The previous prime is 620051. The next prime is 620099. The reversal of 620065 is 560026.

It is not a de Polignac number, because 620065 - 2⁵ = 620033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5742 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁶²⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

620065 is a deficient number, since it is larger than the sum of its proper divisors (183455).

620065 is a wasteful number, since it uses less digits than its factorization.

620065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 620065 is about 787.4420613607. The cubic root of 620065 is about 85.2731696009.

The spelling of 620065 in words is "six hundred twenty thousand, sixty-five".