620241 has 16 divisors (see below), whose sum is σ = 881280. Its totient is φ = 387200.

The previous prime is 620239. The next prime is 620251. The reversal of 620241 is 142026.

It is a cyclic number.

It is not a de Polignac number, because 620241 - 2¹ = 620239 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 620241.

It is not an unprimeable number, because it can be changed into a prime (620201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6091 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2⁶²⁰²⁴¹ is an apocalyptic number.

It is an amenable number.

620241 is a deficient number, since it is larger than the sum of its proper divisors (261039).

620241 is a wasteful number, since it uses less digits than its factorization.

620241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 620241 is about 787.5538076855. The cubic root of 620241 is about 85.2812368509.

Adding to 620241 its reverse (142026), we get a palindrome (762267).

It can be divided in two parts, 620 and 241, that added together give a triangular number (861 = T₄₁).

The spelling of 620241 in words is "six hundred twenty thousand, two hundred forty-one".