503553025 has 12 divisors (see below), whose sum is σ = 624934332. Its totient is φ = 402501440.

The previous prime is 503552999. The next prime is 503553049. The reversal of 503553025 is 520355305.

It can be written as a sum of positive squares in 6 ways, for example, as 178929 + 503374096 = 423^2 + 22436^2 .

It is not a de Polignac number, because 503553025 - 2¹⁵ = 503520257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503552984 and 503553002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24039 + ... + 39811.

It is an arithmetic number, because the mean of its divisors is an integer number (52077861).

Almost surely, 2^503553025 is an apocalyptic number.

It is an amenable number.

503553025 is a deficient number, since it is larger than the sum of its proper divisors (121381307).

503553025 is a wasteful number, since it uses less digits than its factorization.

503553025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060 (or 17055 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 503553025 is about 22439.9871880534. The cubic root of 503553025 is about 795.5761155047.

The spelling of 503553025 in words is "five hundred three million, five hundred fifty-three thousand, twenty-five".