620716051 has 4 divisors (see below), whose sum is σ = 635151352. Its totient is φ = 606280752.

The previous prime is 620716039. The next prime is 620716067. The reversal of 620716051 is 150617026.

620716051 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.

It is a cyclic number.

It is not a de Polignac number, because 620716051 - 2⁷ = 620715923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620716001) 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, 7217586 + ... + 7217671.

It is an arithmetic number, because the mean of its divisors is an integer number (158787838).

Almost surely, 2^620716051 is an apocalyptic number.

620716051 is a deficient number, since it is larger than the sum of its proper divisors (14435301).

620716051 is a wasteful number, since it uses less digits than its factorization.

620716051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435300.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 620716051 is about 24914.1736969140. The cubic root of 620716051 is about 853.0300398019.

The spelling of 620716051 in words is "six hundred twenty million, seven hundred sixteen thousand, fifty-one".