5217215100 has 72 divisors (see below), whose sum is σ = 15301989360. Its totient is φ = 1372193280.

The previous prime is 5217215099. The next prime is 5217215117. The reversal of 5217215100 is 15127125.

It is a congruent number.

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, 97215 + ... + 141014.

It is an arithmetic number, because the mean of its divisors is an integer number (212527630).

Almost surely, 2^5217215100 is an apocalyptic number.

5217215100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5217215100 is an abundant number, since it is smaller than the sum of its proper divisors (10084774260).

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

5217215100 is a wasteful number, since it uses less digits than its factorization.

5217215100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238319 (or 238312 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 5217215100 is about 72230.2921217961. The cubic root of 5217215100 is about 1734.3879500048.

The spelling of 5217215100 in words is "five billion, two hundred seventeen million, two hundred fifteen thousand, one hundred".