503421105 has 48 divisors (see below), whose sum is σ = 900067392. Its totient is φ = 240028800.

The previous prime is 503421091. The next prime is 503421151. The reversal of 503421105 is 501124305.

It is not a de Polignac number, because 503421105 - 2⁵ = 503421073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108442 + ... + 112988.

It is an arithmetic number, because the mean of its divisors is an integer number (18751404).

Almost surely, 2^503421105 is an apocalyptic number.

503421105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

503421105 is a deficient number, since it is larger than the sum of its proper divisors (396646287).

503421105 is a wasteful number, since it uses less digits than its factorization.

503421105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 503421105 is about 22437.0475998960. The cubic root of 503421105 is about 795.5066348593.

The spelling of 503421105 in words is "five hundred three million, four hundred twenty-one thousand, one hundred five".