5143165261 has 8 divisors (see below), whose sum is σ = 5864604984. Its totient is φ = 4468270080.

The previous prime is 5143165189. The next prime is 5143165277. The reversal of 5143165261 is 1625613415.

It can be written as a sum of positive squares in 4 ways, for example, as 415915236 + 4727250025 = 20394^2 + 68755^2 .

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 5143165261 - 2⁷ = 5143165133 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 (5143165561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11635900 + ... + 11636341.

It is an arithmetic number, because the mean of its divisors is an integer number (733075623).

Almost surely, 2^5143165261 is an apocalyptic number.

It is an amenable number.

5143165261 is a deficient number, since it is larger than the sum of its proper divisors (721439723).

5143165261 is a wasteful number, since it uses less digits than its factorization.

5143165261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23272271.

The product of its digits is 21600, while the sum is 34.

The square root of 5143165261 is about 71715.8647790013. The cubic root of 5143165261 is about 1726.1432187685.

Adding to 5143165261 its reverse (1625613415), we get a palindrome (6768778676).

The spelling of 5143165261 in words is "five billion, one hundred forty-three million, one hundred sixty-five thousand, two hundred sixty-one".