504217225 has 6 divisors (see below), whose sum is σ = 625229390. Its totient is φ = 403373760.

The previous prime is 504217211. The next prime is 504217253. The reversal of 504217225 is 522712405.

It can be written as a sum of positive squares in 3 ways, for example, as 16867449 + 487349776 = 4107^2 + 22076^2 .

It is not a de Polignac number, because 504217225 - 2¹³ = 504209033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504217193 and 504217202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10084320 + ... + 10084369.

Almost surely, 2^504217225 is an apocalyptic number.

It is an amenable number.

504217225 is a deficient number, since it is larger than the sum of its proper divisors (121012165).

504217225 is a wasteful number, since it uses less digits than its factorization.

504217225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168699 (or 20168694 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 504217225 is about 22454.7817847335. The cubic root of 504217225 is about 795.9257572609.

The spelling of 504217225 in words is "five hundred four million, two hundred seventeen thousand, two hundred twenty-five".