503530425 has 30 divisors (see below), whose sum is σ = 932716158. Its totient is φ = 268548480.

The previous prime is 503530409. The next prime is 503530439. The reversal of 503530425 is 524035305.

It can be written as a sum of positive squares in 3 ways, for example, as 6953769 + 496576656 = 2637^2 + 22284^2 .

It is not a de Polignac number, because 503530425 - 2⁴ = 503530409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 122304 + ... + 126353.

Almost surely, 2^503530425 is an apocalyptic number.

It is an amenable number.

503530425 is a deficient number, since it is larger than the sum of its proper divisors (429185733).

503530425 is a wasteful number, since it uses less digits than its factorization.

503530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248679 (or 248665 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 503530425 is about 22439.4836170532. The cubic root of 503530425 is about 795.5642132235.

The spelling of 503530425 in words is "five hundred three million, five hundred thirty thousand, four hundred twenty-five".