503440125 has 64 divisors (see below), whose sum is σ = 894426624. Its totient is φ = 250598400.

The previous prime is 503440111. The next prime is 503440139. The reversal of 503440125 is 521044305.

It is an interprime number because it is at equal distance from previous prime (503440111) and next prime (503440139).

It is not a de Polignac number, because 503440125 - 2⁴ = 503440109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503440095 and 503440104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1000624 + ... + 1001126.

It is an arithmetic number, because the mean of its divisors is an integer number (13975416).

Almost surely, 2^503440125 is an apocalyptic number.

It is an amenable number.

503440125 is a deficient number, since it is larger than the sum of its proper divisors (390986499).

503440125 is a wasteful number, since it uses less digits than its factorization.

503440125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 503440125 is about 22437.4714484498. The cubic root of 503440125 is about 795.5166532087.

The spelling of 503440125 in words is "five hundred three million, four hundred forty thousand, one hundred twenty-five".