620253 has 6 divisors (see below), whose sum is σ = 895934. Its totient is φ = 413496.

The previous prime is 620251. The next prime is 620261. The reversal of 620253 is 352026.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 127449 = 702^2 + 357^2 .

It is not a de Polignac number, because 620253 - 2¹ = 620251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620253.

It is not an unprimeable number, because it can be changed into a prime (620251) 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 5 ways as a sum of consecutive naturals, for example, 34450 + ... + 34467.

2⁶²⁰²⁵³ is an apocalyptic number.

It is an amenable number.

620253 is a deficient number, since it is larger than the sum of its proper divisors (275681).

620253 is a wasteful number, since it uses less digits than its factorization.

620253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68923 (or 68920 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 620253 is about 787.5614261758. The cubic root of 620253 is about 85.2817868351.

Adding to 620253 its reverse (352026), we get a palindrome (972279).

The spelling of 620253 in words is "six hundred twenty thousand, two hundred fifty-three".