6929161 has 2 divisors, whose sum is σ = 6929162. Its totient is φ = 6929160.

The previous prime is 6929159. The next prime is 6929189. The reversal of 6929161 is 1619296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 553536 = 2525^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6929161 - 2¹ = 6929159 is a prime.

Together with 6929159, it forms a pair of twin primes.

6929161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6929191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464580 + 3464581.

It is an arithmetic number, because the mean of its divisors is an integer number (3464581).

Almost surely, 2^6929161 is an apocalyptic number.

It is an amenable number.

6929161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929161 is an equidigital number, since it uses as much as digits as its factorization.

6929161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 6929161 is about 2632.3299565214. The cubic root of 6929161 is about 190.6456428778.

The spelling of 6929161 in words is "six million, nine hundred twenty-nine thousand, one hundred sixty-one".