502405725 has 12 divisors (see below), whose sum is σ = 830644256. Its totient is φ = 267949680.

The previous prime is 502405697. The next prime is 502405753. The reversal of 502405725 is 527504205.

It is an interprime number because it is at equal distance from previous prime (502405697) and next prime (502405753).

It is not a de Polignac number, because 502405725 - 2⁵ = 502405693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502405692 and 502405701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3349297 + ... + 3349446.

Almost surely, 2^502405725 is an apocalyptic number.

It is an amenable number.

502405725 is a deficient number, since it is larger than the sum of its proper divisors (328238531).

502405725 is a wasteful number, since it uses less digits than its factorization.

502405725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698756 (or 6698751 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 502405725 is about 22414.4088701888. The cubic root of 502405725 is about 794.9714399771.

The spelling of 502405725 in words is "five hundred two million, four hundred five thousand, seven hundred twenty-five".