506068945 has 8 divisors (see below), whose sum is σ = 622094760. Its totient is φ = 394980480.

The previous prime is 506068939. The next prime is 506068949. The reversal of 506068945 is 549860605.

It can be written as a sum of positive squares in 4 ways, for example, as 18939904 + 487129041 = 4352^2 + 22071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 506068945 - 2²⁵ = 472514513 is a prime.

It is a super-2 number, since 2×506068945² = 512211554186826050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506068949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234110 + ... + 1234519.

It is an arithmetic number, because the mean of its divisors is an integer number (77761845).

Almost surely, 2^506068945 is an apocalyptic number.

It is an amenable number.

506068945 is a deficient number, since it is larger than the sum of its proper divisors (116025815).

506068945 is a wasteful number, since it uses less digits than its factorization.

506068945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468675.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 506068945 is about 22495.9761957555. The cubic root of 506068945 is about 796.8989033865.

The spelling of 506068945 in words is "five hundred six million, sixty-eight thousand, nine hundred forty-five".