505637325 has 18 divisors (see below), whose sum is σ = 905653034. Its totient is φ = 269673120.

The previous prime is 505637323. The next prime is 505637351. The reversal of 505637325 is 523736505.

505637325 is a `hidden beast` number, since 5 + 0 + 563 + 73 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1814409 + 503822916 = 1347^2 + 22446^2 .

It is not a de Polignac number, because 505637325 - 2¹ = 505637323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 505637325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505637323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1123414 + ... + 1123863.

Almost surely, 2^505637325 is an apocalyptic number.

It is an amenable number.

505637325 is a deficient number, since it is larger than the sum of its proper divisors (400015709).

505637325 is a wasteful number, since it uses less digits than its factorization.

505637325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247293 (or 2247285 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 505637325 is about 22486.3808782116. The cubic root of 505637325 is about 796.6722838451.

The spelling of 505637325 in words is "five hundred five million, six hundred thirty-seven thousand, three hundred twenty-five".