501403041 has 24 divisors (see below), whose sum is σ = 752475360. Its totient is φ = 333644832.

The previous prime is 501403037. The next prime is 501403043. The reversal of 501403041 is 140304105.

It is a happy number.

It is not a de Polignac number, because 501403041 - 2² = 501403037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501403043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154645 + ... + 157853.

It is an arithmetic number, because the mean of its divisors is an integer number (31353140).

Almost surely, 2^501403041 is an apocalyptic number.

It is an amenable number.

501403041 is a deficient number, since it is larger than the sum of its proper divisors (251072319).

501403041 is an equidigital number, since it uses as much as digits as its factorization.

501403041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 501403041 is about 22392.0307475673. The cubic root of 501403041 is about 794.4422289095.

Adding to 501403041 its reverse (140304105), we get a palindrome (641707146).

The spelling of 501403041 in words is "five hundred one million, four hundred three thousand, forty-one".