506658241 has 4 divisors (see below), whose sum is σ = 507812800. Its totient is φ = 505503684.

The previous prime is 506658239. The next prime is 506658263. The reversal of 506658241 is 142856605.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142856605 = 5 ⋅28571321.

It is a cyclic number.

It is not a de Polignac number, because 506658241 - 2¹ = 506658239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506658241.

It is not an unprimeable number, because it can be changed into a prime (506658211) 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 3 ways as a sum of consecutive naturals, for example, 576621 + ... + 577498.

It is an arithmetic number, because the mean of its divisors is an integer number (126953200).

Almost surely, 2^506658241 is an apocalyptic number.

It is an amenable number.

506658241 is a deficient number, since it is larger than the sum of its proper divisors (1154559).

506658241 is a wasteful number, since it uses less digits than its factorization.

506658241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154558.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 506658241 is about 22509.0701940351. The cubic root of 506658241 is about 797.2081018192.

The spelling of 506658241 in words is "five hundred six million, six hundred fifty-eight thousand, two hundred forty-one".