506488641 has 4 divisors (see below), whose sum is σ = 675318192. Its totient is φ = 337659092.

The previous prime is 506488601. The next prime is 506488649. The reversal of 506488641 is 146884605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506488641 - 2²⁶ = 439379777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506488593 and 506488602.

It is not an unprimeable number, because it can be changed into a prime (506488649) 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, 84414771 + ... + 84414776.

It is an arithmetic number, because the mean of its divisors is an integer number (168829548).

Almost surely, 2^506488641 is an apocalyptic number.

It is an amenable number.

506488641 is a deficient number, since it is larger than the sum of its proper divisors (168829551).

506488641 is a wasteful number, since it uses less digits than its factorization.

506488641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168829550.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 506488641 is about 22505.3025085201. The cubic root of 506488641 is about 797.1191387718.

The spelling of 506488641 in words is "five hundred six million, four hundred eighty-eight thousand, six hundred forty-one".