5521240225 has 24 divisors (see below), whose sum is σ = 6889925088. Its totient is φ = 4388966400.

The previous prime is 5521240217. The next prime is 5521240303. The reversal of 5521240225 is 5220421255.

It is not a de Polignac number, because 5521240225 - 2³ = 5521240217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5521240193 and 5521240202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3513690 + ... + 3515260.

It is an arithmetic number, because the mean of its divisors is an integer number (287080212).

Almost surely, 2^5521240225 is an apocalyptic number.

It is an amenable number.

5521240225 is a deficient number, since it is larger than the sum of its proper divisors (1368684863).

5521240225 is a wasteful number, since it uses less digits than its factorization.

5521240225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5521240225 is about 74305.0484489446. The cubic root of 5521240225 is about 1767.4435334771.

The spelling of 5521240225 in words is "five billion, five hundred twenty-one million, two hundred forty thousand, two hundred twenty-five".