5518025 has 6 divisors (see below), whose sum is σ = 6842382. Its totient is φ = 4414400.

The previous prime is 5518021. The next prime is 5518043. The reversal of 5518025 is 5208155.

It can be written as a sum of positive squares in 3 ways, for example, as 369664 + 5148361 = 608^2 + 2269^2 .

It is not a de Polignac number, because 5518025 - 2² = 5518021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5517985 and 5518003.

It is not an unprimeable number, because it can be changed into a prime (5518021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110336 + ... + 110385.

It is an arithmetic number, because the mean of its divisors is an integer number (1140397).

Almost surely, 2^5518025 is an apocalyptic number.

It is an amenable number.

5518025 is a deficient number, since it is larger than the sum of its proper divisors (1324357).

5518025 is a wasteful number, since it uses less digits than its factorization.

5518025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220731 (or 220726 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5518025 is about 2349.0476793799. The cubic root of 5518025 is about 176.7100384000.

The spelling of 5518025 in words is "five million, five hundred eighteen thousand, twenty-five".