620315011 has 4 divisors (see below), whose sum is σ = 629573512. Its totient is φ = 611056512.

The previous prime is 620314963. The next prime is 620315041. The reversal of 620315011 is 110513026.

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 620315011 - 2¹⁹ = 619790723 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 620315011.

It is not an unprimeable number, because it can be changed into a prime (620315041) 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, 4629150 + ... + 4629283.

It is an arithmetic number, because the mean of its divisors is an integer number (157393378).

Almost surely, 2^620315011 is an apocalyptic number.

620315011 is a deficient number, since it is larger than the sum of its proper divisors (9258501).

620315011 is an equidigital number, since it uses as much as digits as its factorization.

620315011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258500.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 620315011 is about 24906.1239658041. The cubic root of 620315011 is about 852.8462881123.

Adding to 620315011 its reverse (110513026), we get a palindrome (730828037).

The spelling of 620315011 in words is "six hundred twenty million, three hundred fifteen thousand, eleven".