5517225 has 72 divisors (see below), whose sum is σ = 11761152. Its totient is φ = 2419200.

The previous prime is 5517209. The next prime is 5517227. The reversal of 5517225 is 5227155.

It is a happy number.

It is not a de Polignac number, because 5517225 - 2⁴ = 5517209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48769 + ... + 48881.

Almost surely, 2^5517225 is an apocalyptic number.

It is an amenable number.

5517225 is an abundant number, since it is smaller than the sum of its proper divisors (6243927).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5517225 is a wasteful number, since it uses less digits than its factorization.

5517225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 159 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 5517225 is about 2348.8773914362. The cubic root of 5517225 is about 176.7014982150.

It can be divided in two parts, 551 and 7225, that added together give a 5-th power (7776 = 6⁵).

The spelling of 5517225 in words is "five million, five hundred seventeen thousand, two hundred twenty-five".