501432241 has 4 divisors (see below), whose sum is σ = 502515712. Its totient is φ = 500348772.

The previous prime is 501432203. The next prime is 501432247. The reversal of 501432241 is 142234105.

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 a de Polignac number, because none of the positive numbers 2^k-501432241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501432247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541041 + ... + 541966.

It is an arithmetic number, because the mean of its divisors is an integer number (125628928).

Almost surely, 2^501432241 is an apocalyptic number.

It is an amenable number.

501432241 is a deficient number, since it is larger than the sum of its proper divisors (1083471).

501432241 is a wasteful number, since it uses less digits than its factorization.

501432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083470.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 501432241 is about 22392.6827557575. The cubic root of 501432241 is about 794.4576504771.

Adding to 501432241 its reverse (142234105), we get a palindrome (643666346).

The spelling of 501432241 in words is "five hundred one million, four hundred thirty-two thousand, two hundred forty-one".