2897263 has 2 divisors, whose sum is σ = 2897264. Its totient is φ = 2897262.

The previous prime is 2897249. The next prime is 2897269. The reversal of 2897263 is 3627982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2897263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897269) 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, 1448631 + 1448632.

It is an arithmetic number, because the mean of its divisors is an integer number (1448632).

2^2897263 is an apocalyptic number.

2897263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897263 is an equidigital number, since it uses as much as digits as its factorization.

2897263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 2897263 is about 1702.1348360221. The cubic root of 2897263 is about 142.5594376035.

It can be divided in two parts, 2897 and 263, that added together give a triangular number (3160 = T₇₉).

The spelling of 2897263 in words is "two million, eight hundred ninety-seven thousand, two hundred sixty-three".