2957791 has 2 divisors, whose sum is σ = 2957792. Its totient is φ = 2957790.

The previous prime is 2957783. The next prime is 2957807. The reversal of 2957791 is 1977592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2957791 - 2³ = 2957783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2957761) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478895 + 1478896.

It is an arithmetic number, because the mean of its divisors is an integer number (1478896).

2^2957791 is an apocalyptic number.

2957791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957791 is an equidigital number, since it uses as much as digits as its factorization.

2957791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 2957791 is about 1719.8229560045. The cubic root of 2957791 is about 143.5453607403.

The spelling of 2957791 in words is "two million, nine hundred fifty-seven thousand, seven hundred ninety-one".