501143241 has 12 divisors (see below), whose sum is σ = 690444816. Its totient is φ = 323316360.

The previous prime is 501143219. The next prime is 501143261. The reversal of 501143241 is 142341105.

It is not a de Polignac number, because 501143241 - 2⁹ = 501142729 is a prime.

It is a super-2 number, since 2×501143241² = 502289095999968162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501143261) 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 11 ways as a sum of consecutive naturals, for example, 84031 + ... + 89796.

It is an arithmetic number, because the mean of its divisors is an integer number (57537068).

Almost surely, 2^501143241 is an apocalyptic number.

It is an amenable number.

501143241 is a deficient number, since it is larger than the sum of its proper divisors (189301575).

501143241 is a wasteful number, since it uses less digits than its factorization.

501143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173892 (or 173861 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 501143241 is about 22386.2288248825. The cubic root of 501143241 is about 794.3049928391.

Adding to 501143241 its reverse (142341105), we get a palindrome (643484346).

The spelling of 501143241 in words is "five hundred one million, one hundred forty-three thousand, two hundred forty-one".