5351311217 has 24 divisors (see below), whose sum is σ = 6452165160. Its totient is φ = 4420066560.

The previous prime is 5351311181. The next prime is 5351311219. The reversal of 5351311217 is 7121131535.

It can be written as a sum of positive squares in 4 ways, for example, as 536200336 + 4815110881 = 23156^2 + 69391^2 .

It is not a de Polignac number, because 5351311217 - 2⁸ = 5351310961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 5351311217.

It is not an unprimeable number, because it can be changed into a prime (5351311219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788117 + ... + 794877.

It is an arithmetic number, because the mean of its divisors is an integer number (268840215).

Almost surely, 2^5351311217 is an apocalyptic number.

It is an amenable number.

5351311217 is a deficient number, since it is larger than the sum of its proper divisors (1100853943).

5351311217 is a wasteful number, since it uses less digits than its factorization.

5351311217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361 (or 7354 counting only the distinct ones).

The product of its digits is 3150, while the sum is 29.

The square root of 5351311217 is about 73152.6569373936. The cubic root of 5351311217 is about 1749.1218687702.

The spelling of 5351311217 in words is "five billion, three hundred fifty-one million, three hundred eleven thousand, two hundred seventeen".