5221250685 has 40 divisors (see below), whose sum is σ = 10696663296. Its totient is φ = 2386856160.

The previous prime is 5221250627. The next prime is 5221250693. The reversal of 5221250685 is 5860521225.

It is a happy number.

5221250685 is a `hidden beast` number, since 52 + 21 + 2 + 506 + 85 = 666.

It is not a de Polignac number, because 5221250685 - 2⁶ = 5221250621 is a prime.

It is a super-2 number, since 2×5221250685² = 54522917431225938450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 918021 + ... + 923690.

Almost surely, 2^5221250685 is an apocalyptic number.

It is an amenable number.

5221250685 is an abundant number, since it is smaller than the sum of its proper divisors (5475412611).

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

5221250685 is a wasteful number, since it uses less digits than its factorization.

5221250685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841735 (or 1841726 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 5221250685 is about 72258.2222657048. Note that the first 4 decimals coincide. The cubic root of 5221250685 is about 1734.8350254374.

The spelling of 5221250685 in words is "five billion, two hundred twenty-one million, two hundred fifty thousand, six hundred eighty-five".