506356241 has 4 divisors (see below), whose sum is σ = 506661300. Its totient is φ = 506051184.

The previous prime is 506356219. The next prime is 506356297. The reversal of 506356241 is 142653605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142653605 = 5 ⋅28530721.

It can be written as a sum of positive squares in 2 ways, for example, as 282105616 + 224250625 = 16796^2 + 14975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506356241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506356198 and 506356207.

It is not an unprimeable number, because it can be changed into a prime (506356141) 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, 150026 + ... + 153363.

It is an arithmetic number, because the mean of its divisors is an integer number (126665325).

Almost surely, 2^506356241 is an apocalyptic number.

It is an amenable number.

506356241 is a deficient number, since it is larger than the sum of its proper divisors (305059).

506356241 is a wasteful number, since it uses less digits than its factorization.

506356241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305058.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 506356241 is about 22502.3607872596. The cubic root of 506356241 is about 797.0496750412.

The spelling of 506356241 in words is "five hundred six million, three hundred fifty-six thousand, two hundred forty-one".