506513378 has 32 divisors (see below), whose sum is σ = 885800448. Its totient is φ = 212731200.

The previous prime is 506513377. The next prime is 506513389. The reversal of 506513378 is 873315605.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506513377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269783 + ... + 271653.

It is an arithmetic number, because the mean of its divisors is an integer number (27681264).

Almost surely, 2^506513378 is an apocalyptic number.

506513378 is a deficient number, since it is larger than the sum of its proper divisors (379287070).

506513378 is a wasteful number, since it uses less digits than its factorization.

506513378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 506513378 is about 22505.8520834027. The cubic root of 506513378 is about 797.1321157099.

The spelling of 506513378 in words is "five hundred six million, five hundred thirteen thousand, three hundred seventy-eight".