506751620 has 12 divisors (see below), whose sum is σ = 1064178444. Its totient is φ = 202700640.

The previous prime is 506751613. The next prime is 506751631. The reversal of 506751620 is 26157605.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224041024 + 282710596 = 14968^2 + 16814^2 .

It is an unprimeable number.

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, 12668771 + ... + 12668810.

It is an arithmetic number, because the mean of its divisors is an integer number (88681537).

Almost surely, 2^506751620 is an apocalyptic number.

It is an amenable number.

506751620 is an abundant number, since it is smaller than the sum of its proper divisors (557426824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506751620 is a wasteful number, since it uses less digits than its factorization.

506751620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25337590 (or 25337588 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 506751620 is about 22511.1443511875. The cubic root of 506751620 is about 797.2570749510.

The spelling of 506751620 in words is "five hundred six million, seven hundred fifty-one thousand, six hundred twenty".