501420052 has 12 divisors (see below), whose sum is σ = 1002840160. Its totient is φ = 214894296.

The previous prime is 501420047. The next prime is 501420067. The reversal of 501420052 is 250024105.

501420052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953902 + ... + 8953957.

Almost surely, 2^501420052 is an apocalyptic number.

It is an amenable number.

501420052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501420052 is a wasteful number, since it uses less digits than its factorization.

501420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907870 (or 17907868 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 501420052 is about 22392.4105893046. The cubic root of 501420052 is about 794.4512131017.

Adding to 501420052 its reverse (250024105), we get a palindrome (751444157).

The spelling of 501420052 in words is "five hundred one million, four hundred twenty thousand, fifty-two".