620263 has 4 divisors (see below), whose sum is σ = 708880. Its totient is φ = 531648.

The previous prime is 620261. The next prime is 620297. The reversal of 620263 is 362026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620263 - 2¹ = 620261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44298 + ... + 44311.

It is an arithmetic number, because the mean of its divisors is an integer number (177220).

2⁶²⁰²⁶³ is an apocalyptic number.

620263 is a deficient number, since it is larger than the sum of its proper divisors (88617).

620263 is an equidigital number, since it uses as much as digits as its factorization.

620263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88616.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 620263 is about 787.5677748613. The cubic root of 620263 is about 85.2822451498.

Adding to 620263 its reverse (362026), we get a palindrome (982289).

The spelling of 620263 in words is "six hundred twenty thousand, two hundred sixty-three".