5170798261 has 8 divisors (see below), whose sum is σ = 5210314200. Its totient is φ = 5131308288.

The previous prime is 5170798253. The next prime is 5170798313. The reversal of 5170798261 is 1628970715.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3212735761 + 1958062500 = 56681^2 + 44250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5170798261 - 2³ = 5170798253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5170798361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619065 + ... + 627361.

It is an arithmetic number, because the mean of its divisors is an integer number (651289275).

Almost surely, 2^5170798261 is an apocalyptic number.

It is an amenable number.

5170798261 is a deficient number, since it is larger than the sum of its proper divisors (39515939).

5170798261 is a wasteful number, since it uses less digits than its factorization.

5170798261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983.

The product of its (nonzero) digits is 211680, while the sum is 46.

The square root of 5170798261 is about 71908.2628145055. The cubic root of 5170798261 is about 1729.2290840525.

The spelling of 5170798261 in words is "five billion, one hundred seventy million, seven hundred ninety-eight thousand, two hundred sixty-one".