2957161 has 2 divisors, whose sum is σ = 2957162. Its totient is φ = 2957160.

The previous prime is 2957111. The next prime is 2957177. The reversal of 2957161 is 1617592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 837225 = 1456^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2957161 - 2⁹ = 2956649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2957111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478580 + 1478581.

It is an arithmetic number, because the mean of its divisors is an integer number (1478581).

2^2957161 is an apocalyptic number.

It is an amenable number.

2957161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957161 is an equidigital number, since it uses as much as digits as its factorization.

2957161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 2957161 is about 1719.6397878626. The cubic root of 2957161 is about 143.5351684494.

The spelling of 2957161 in words is "two million, nine hundred fifty-seven thousand, one hundred sixty-one".