620573 has 4 divisors (see below), whose sum is σ = 629148. Its totient is φ = 612000.

The previous prime is 620569. The next prime is 620579. The reversal of 620573 is 375026.

620573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375026 = 2 ⋅187513.

It can be written as a sum of positive squares in 2 ways, for example, as 182329 + 438244 = 427^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 620573 - 2² = 620569 is a prime.

It is a super-2 number, since 2×620573² = 770221696658, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620579) 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, 4178 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (157287).

2⁶²⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

620573 is a deficient number, since it is larger than the sum of its proper divisors (8575).

620573 is an equidigital number, since it uses as much as digits as its factorization.

620573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 620573 is about 787.7645587357. The cubic root of 620573 is about 85.2964504643.

Adding to 620573 its reverse (375026), we get a palindrome (995599).

The spelling of 620573 in words is "six hundred twenty thousand, five hundred seventy-three".