5217216250 has 20 divisors (see below), whose sum is σ = 9779152482. Its totient is φ = 2086886000.

The previous prime is 5217216239. The next prime is 5217216253. The reversal of 5217216250 is 526127125.

It can be written as a sum of positive squares in 5 ways, for example, as 375700689 + 4841515561 = 19383^2 + 69581^2 .

It is a super-3 number, since 3×5217216250³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5217216253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2085637 + ... + 2088136.

Almost surely, 2^5217216250 is an apocalyptic number.

5217216250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5217216250 is a deficient number, since it is larger than the sum of its proper divisors (4561936232).

5217216250 is an equidigital number, since it uses as much as digits as its factorization.

5217216250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173795 (or 4173780 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 5217216250 is about 72230.3000824446. The cubic root of 5217216250 is about 1734.3880774384.

The spelling of 5217216250 in words is "five billion, two hundred seventeen million, two hundred sixteen thousand, two hundred fifty".