5217545161 has 4 divisors (see below), whose sum is σ = 5234004612. Its totient is φ = 5201085712.

The previous prime is 5217545149. The next prime is 5217545173. The reversal of 5217545161 is 1615457125.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5217545149) and next prime (5217545173).

It can be written as a sum of positive squares in 2 ways, for example, as 536385600 + 4681159561 = 23160^2 + 68419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5217545161 - 2⁷ = 5217545033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5217545161.

It is not an unprimeable number, because it can be changed into a prime (5217545111) 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, 8229250 + ... + 8229883.

It is an arithmetic number, because the mean of its divisors is an integer number (1308501153).

Almost surely, 2^5217545161 is an apocalyptic number.

It is an amenable number.

5217545161 is a deficient number, since it is larger than the sum of its proper divisors (16459451).

5217545161 is a wasteful number, since it uses less digits than its factorization.

5217545161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459450.

The product of its digits is 42000, while the sum is 37.

The square root of 5217545161 is about 72232.5768680586. The cubic root of 5217545161 is about 1734.4245239073.

It can be divided in two parts, 52175 and 45161, that added together give a cube (97336 = 46³).

The spelling of 5217545161 in words is "five billion, two hundred seventeen million, five hundred forty-five thousand, one hundred sixty-one".