2897311 has 2 divisors, whose sum is σ = 2897312. Its totient is φ = 2897310.

The previous prime is 2897299. The next prime is 2897341. The reversal of 2897311 is 1137982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2897311 - 2⁹ = 2896799 is a prime.

It is a super-2 number, since 2×2897311² = 16788822061442, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897341) 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, 1448655 + 1448656.

It is an arithmetic number, because the mean of its divisors is an integer number (1448656).

2^2897311 is an apocalyptic number.

2897311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897311 is an equidigital number, since it uses as much as digits as its factorization.

2897311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 2897311 is about 1702.1489359043. The cubic root of 2897311 is about 142.5602248770.

The spelling of 2897311 in words is "two million, eight hundred ninety-seven thousand, three hundred eleven".