620012051 has 4 divisors (see below), whose sum is σ = 620950704. Its totient is φ = 619073400.

The previous prime is 620012039. The next prime is 620012077. The reversal of 620012051 is 150210026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620012051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620012011) 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, 468335 + ... + 469656.

It is an arithmetic number, because the mean of its divisors is an integer number (155237676).

Almost surely, 2^620012051 is an apocalyptic number.

620012051 is a deficient number, since it is larger than the sum of its proper divisors (938653).

620012051 is an equidigital number, since it uses as much as digits as its factorization.

620012051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938652.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 620012051 is about 24900.0411847049. The cubic root of 620012051 is about 852.7074229755.

Adding to 620012051 its reverse (150210026), we get a palindrome (770222077).

The spelling of 620012051 in words is "six hundred twenty million, twelve thousand, fifty-one".