505401536 has 14 divisors (see below), whose sum is σ = 1002906300. Its totient is φ = 252700736.

The previous prime is 505401529. The next prime is 505401599. The reversal of 505401536 is 635104505.

It is a junction number, because it is equal to n+sod(n) for n = 505401499 and 505401508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948386 + ... + 3948513.

Almost surely, 2^505401536 is an apocalyptic number.

It is an amenable number.

505401536 is a deficient number, since it is larger than the sum of its proper divisors (497504764).

505401536 is an equidigital number, since it uses as much as digits as its factorization.

505401536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896911 (or 7896901 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 505401536 is about 22481.1373377772. The cubic root of 505401536 is about 796.5484297450.

The spelling of 505401536 in words is "five hundred five million, four hundred one thousand, five hundred thirty-six".