505206241 has 8 divisors (see below), whose sum is σ = 507181824. Its totient is φ = 503235600.

The previous prime is 505206227. The next prime is 505206253. The reversal of 505206241 is 142602505.

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-505206241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505206281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480166 + ... + 481216.

It is an arithmetic number, because the mean of its divisors is an integer number (63397728).

Almost surely, 2^505206241 is an apocalyptic number.

It is an amenable number.

505206241 is a deficient number, since it is larger than the sum of its proper divisors (1975583).

505206241 is a wasteful number, since it uses less digits than its factorization.

505206241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 505206241 is about 22476.7933878478. The cubic root of 505206241 is about 796.4458169668.

Adding to 505206241 its reverse (142602505), we get a palindrome (647808746).

The spelling of 505206241 in words is "five hundred five million, two hundred six thousand, two hundred forty-one".