503404443225 has 72 divisors (see below), whose sum is σ = 924684789600. Its totient is φ = 261652285440.

The previous prime is 503404443133. The next prime is 503404443253. The reversal of 503404443225 is 522344404305.

503404443225 is a `hidden beast` number, since 50 + 340 + 4 + 4 + 43 + 225 = 666.

It is not a de Polignac number, because 503404443225 - 2⁷ = 503404443097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503404443225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4286134 + ... + 4402016.

It is an arithmetic number, because the mean of its divisors is an integer number (12842844300).

Almost surely, 2^503404443225 is an apocalyptic number.

It is an amenable number.

503404443225 is a deficient number, since it is larger than the sum of its proper divisors (421280346375).

503404443225 is a wasteful number, since it uses less digits than its factorization.

503404443225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116391 (or 116383 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

The spelling of 503404443225 in words is "five hundred three billion, four hundred four million, four hundred forty-three thousand, two hundred twenty-five".