5521825 has 6 divisors (see below), whose sum is σ = 6847094. Its totient is φ = 4417440.

The previous prime is 5521819. The next prime is 5521891. The reversal of 5521825 is 5281255.

It can be written as a sum of positive squares in 3 ways, for example, as 1517824 + 4004001 = 1232^2 + 2001^2 .

It is not a de Polignac number, because 5521825 - 2⁷ = 5521697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5521793 and 5521802.

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, 110412 + ... + 110461.

Almost surely, 2^5521825 is an apocalyptic number.

It is an amenable number.

5521825 is a deficient number, since it is larger than the sum of its proper divisors (1325269).

5521825 is a wasteful number, since it uses less digits than its factorization.

5521825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220883 (or 220878 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 5521825 is about 2349.8563785900. The cubic root of 5521825 is about 176.7505930104.

The spelling of 5521825 in words is "five million, five hundred twenty-one thousand, eight hundred twenty-five".