501020441 has 8 divisors (see below), whose sum is σ = 517845000. Its totient is φ = 484368768.

The previous prime is 501020411. The next prime is 501020479. The reversal of 501020441 is 144020105.

It can be written as a sum of positive squares in 4 ways, for example, as 276889600 + 224130841 = 16640^2 + 14971^2 .

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-501020441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501020411) 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 7 ways as a sum of consecutive naturals, for example, 37316 + ... + 48933.

It is an arithmetic number, because the mean of its divisors is an integer number (64730625).

Almost surely, 2^501020441 is an apocalyptic number.

It is an amenable number.

501020441 is a deficient number, since it is larger than the sum of its proper divisors (16824559).

501020441 is a wasteful number, since it uses less digits than its factorization.

501020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86443.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 501020441 is about 22383.4858992070. The cubic root of 501020441 is about 794.2401087811.

Adding to 501020441 its reverse (144020105), we get a palindrome (645040546).

The spelling of 501020441 in words is "five hundred one million, twenty thousand, four hundred forty-one".