5215255225 has 6 divisors (see below), whose sum is σ = 6466916510. Its totient is φ = 4172204160.

The previous prime is 5215255217. The next prime is 5215255249. The reversal of 5215255225 is 5225525125.

It can be written as a sum of positive squares in 3 ways, for example, as 225810729 + 4989444496 = 15027^2 + 70636^2 .

It is not a de Polignac number, because 5215255225 - 2³ = 5215255217 is a prime.

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, 104305080 + ... + 104305129.

Almost surely, 2^5215255225 is an apocalyptic number.

It is an amenable number.

5215255225 is a deficient number, since it is larger than the sum of its proper divisors (1251661285).

5215255225 is a wasteful number, since it uses less digits than its factorization.

5215255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208610219 (or 208610214 counting only the distinct ones).

The product of its digits is 50000, while the sum is 34.

The square root of 5215255225 is about 72216.7239979771. The cubic root of 5215255225 is about 1734.1707454076.

The spelling of 5215255225 in words is "five billion, two hundred fifteen million, two hundred fifty-five thousand, two hundred twenty-five".