5217172210 has 16 divisors (see below), whose sum is σ = 9714735000. Its totient is φ = 2014907776.

The previous prime is 5217172189. The next prime is 5217172237. The reversal of 5217172210 is 122717125.

It can be written as a sum of positive squares in 4 ways, for example, as 3208429449 + 2008742761 = 56643^2 + 44819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994835 + ... + 8995414.

Almost surely, 2^5217172210 is an apocalyptic number.

5217172210 is a deficient number, since it is larger than the sum of its proper divisors (4497562790).

5217172210 is a wasteful number, since it uses less digits than its factorization.

5217172210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17990285.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 5217172210 is about 72229.9952235911. The cubic root of 5217172210 is about 1734.3831972710.

Adding to 5217172210 its reverse (122717125), we get a palindrome (5339889335).

The spelling of 5217172210 in words is "five billion, two hundred seventeen million, one hundred seventy-two thousand, two hundred ten".