503604125 has 8 divisors (see below), whose sum is σ = 628498104. Its totient is φ = 402883200.

The previous prime is 503604121. The next prime is 503604133. The reversal of 503604125 is 521406305.

It can be written as a sum of positive squares in 4 ways, for example, as 13734436 + 489869689 = 3706^2 + 22133^2 .

It is not a de Polignac number, because 503604125 - 2² = 503604121 is a prime.

It is a super-2 number, since 2×503604125² = 507234229434031250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503604094 and 503604103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503604121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014292 + ... + 2014541.

It is an arithmetic number, because the mean of its divisors is an integer number (78562263).

Almost surely, 2^503604125 is an apocalyptic number.

It is an amenable number.

503604125 is a deficient number, since it is larger than the sum of its proper divisors (124893979).

503604125 is an equidigital number, since it uses as much as digits as its factorization.

503604125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028848 (or 4028838 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 503604125 is about 22441.1257516195. The cubic root of 503604125 is about 795.6030259871.

The spelling of 503604125 in words is "five hundred three million, six hundred four thousand, one hundred twenty-five".