505432241 has 4 divisors (see below), whose sum is σ = 506293872. Its totient is φ = 504570612.

The previous prime is 505432229. The next prime is 505432261. The reversal of 505432241 is 142234505.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 505432241 - 2²⁶ = 438323377 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 505432241.

It is not an unprimeable number, because it can be changed into a prime (505432201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429935 + ... + 431108.

It is an arithmetic number, because the mean of its divisors is an integer number (126573468).

Almost surely, 2^505432241 is an apocalyptic number.

It is an amenable number.

505432241 is a deficient number, since it is larger than the sum of its proper divisors (861631).

505432241 is an equidigital number, since it uses as much as digits as its factorization.

505432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861630.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 505432241 is about 22481.8202332462. The cubic root of 505432241 is about 796.5645604995.

Adding to 505432241 its reverse (142234505), we get a palindrome (647666746).

The spelling of 505432241 in words is "five hundred five million, four hundred thirty-two thousand, two hundred forty-one".