5217621017 has 16 divisors (see below), whose sum is σ = 5988767232. Its totient is φ = 4452960960.

The previous prime is 5217620957. The next prime is 5217621041. The reversal of 5217621017 is 7101267125.

It is not a de Polignac number, because 5217621017 - 2⁶ = 5217620953 is a prime.

It is a super-2 number, since 2×5217621017² = 54447138154080228578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5217629017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190167 + ... + 2192547.

It is an arithmetic number, because the mean of its divisors is an integer number (374297952).

Almost surely, 2^5217621017 is an apocalyptic number.

It is an amenable number.

5217621017 is a deficient number, since it is larger than the sum of its proper divisors (771146215).

5217621017 is a wasteful number, since it uses less digits than its factorization.

5217621017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 5217621017 is about 72233.1019477912. The cubic root of 5217621017 is about 1734.4329292566.

The spelling of 5217621017 in words is "five billion, two hundred seventeen million, six hundred twenty-one thousand, seventeen".