620343113 has 4 divisors (see below), whose sum is σ = 668061828. Its totient is φ = 572624400.

The previous prime is 620343029. The next prime is 620343137. The reversal of 620343113 is 311343026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311343026 = 2 ⋅155671513.

It can be written as a sum of positive squares in 2 ways, for example, as 399880009 + 220463104 = 19997^2 + 14848^2 .

It is a cyclic number.

It is not a de Polignac number, because 620343113 - 2¹⁶ = 620277577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620343193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23859338 + ... + 23859363.

It is an arithmetic number, because the mean of its divisors is an integer number (167015457).

Almost surely, 2^620343113 is an apocalyptic number.

It is an amenable number.

620343113 is a deficient number, since it is larger than the sum of its proper divisors (47718715).

620343113 is a wasteful number, since it uses less digits than its factorization.

620343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47718714.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 620343113 is about 24906.6881178530. The cubic root of 620343113 is about 852.8591666896.

Adding to 620343113 its reverse (311343026), we get a palindrome (931686139).

The spelling of 620343113 in words is "six hundred twenty million, three hundred forty-three thousand, one hundred thirteen".