620371 has 4 divisors (see below), whose sum is σ = 635544. Its totient is φ = 605200.

The previous prime is 620363. The next prime is 620377. The reversal of 620371 is 173026.

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 620371 - 2³ = 620363 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (620377) 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, 7525 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (158886).

2⁶²⁰³⁷¹ is an apocalyptic number.

620371 is a deficient number, since it is larger than the sum of its proper divisors (15173).

620371 is a wasteful number, since it uses less digits than its factorization.

620371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 620371 is about 787.6363374045. The cubic root of 620371 is about 85.2871946352.

Adding to 620371 its reverse (173026), we get a palindrome (793397).

The spelling of 620371 in words is "six hundred twenty thousand, three hundred seventy-one".