5143533161 has 4 divisors (see below), whose sum is σ = 5539189572. Its totient is φ = 4747876752.

The previous prime is 5143533137. The next prime is 5143533167. The reversal of 5143533161 is 1613353415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1613353415 = 5 ⋅322670683.

It can be written as a sum of positive squares in 2 ways, for example, as 3452267536 + 1691265625 = 58756^2 + 41125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5143533161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143533167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197828186 + ... + 197828211.

It is an arithmetic number, because the mean of its divisors is an integer number (1384797393).

Almost surely, 2^5143533161 is an apocalyptic number.

It is an amenable number.

5143533161 is a deficient number, since it is larger than the sum of its proper divisors (395656411).

5143533161 is a wasteful number, since it uses less digits than its factorization.

5143533161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395656410.

The product of its digits is 16200, while the sum is 32.

The square root of 5143533161 is about 71718.4297164962. The cubic root of 5143533161 is about 1726.1843758457.

Adding to 5143533161 its reverse (1613353415), we get a palindrome (6756886576).

The spelling of 5143533161 in words is "five billion, one hundred forty-three million, five hundred thirty-three thousand, one hundred sixty-one".