506878201 has 8 divisors (see below), whose sum is σ = 514261224. Its totient is φ = 499507200.

The previous prime is 506878157. The next prime is 506878237. The reversal of 506878201 is 102878605.

It can be written as a sum of positive squares in 4 ways, for example, as 98029801 + 408848400 = 9901^2 + 20220^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506878201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506878271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114705 + ... + 119041.

It is an arithmetic number, because the mean of its divisors is an integer number (64282653).

Almost surely, 2^506878201 is an apocalyptic number.

It is an amenable number.

506878201 is a deficient number, since it is larger than the sum of its proper divisors (7383023).

506878201 is a wasteful number, since it uses less digits than its factorization.

506878201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 506878201 is about 22513.9556941911. The cubic root of 506878201 is about 797.3234514507.

The spelling of 506878201 in words is "five hundred six million, eight hundred seventy-eight thousand, two hundred one".