5671165321 has 2 divisors, whose sum is σ = 5671165322. Its totient is φ = 5671165320.

The previous prime is 5671165273. The next prime is 5671165369. The reversal of 5671165321 is 1235611765.

It is a balanced prime because it is at equal distance from previous prime (5671165273) and next prime (5671165369).

It can be written as a sum of positive squares in only one way, i.e., 5281655625 + 389509696 = 72675^2 + 19736^2 .

It is a cyclic number.

It is not a de Polignac number, because 5671165321 - 2¹¹ = 5671163273 is a prime.

It is a super-2 number, since 2×5671165321² = 64324232196226066082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5671165421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835582660 + 2835582661.

It is an arithmetic number, because the mean of its divisors is an integer number (2835582661).

Almost surely, 2^5671165321 is an apocalyptic number.

It is an amenable number.

5671165321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671165321 is an equidigital number, since it uses as much as digits as its factorization.

5671165321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 5671165321 is about 75307.1399071828. The cubic root of 5671165321 is about 1783.2987393140.

The spelling of 5671165321 in words is "five billion, six hundred seventy-one million, one hundred sixty-five thousand, three hundred twenty-one".