2697287 has 4 divisors (see below), whose sum is σ = 2702040. Its totient is φ = 2692536.

The previous prime is 2697281. The next prime is 2697301. The reversal of 2697287 is 7827962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2697287 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 6⁴ + 9 + 7⁷ + 2²⁰ + 8² + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (675510).

2^2697287 is an apocalyptic number.

2697287 is a deficient number, since it is larger than the sum of its proper divisors (4753).

2697287 is an equidigital number, since it uses as much as digits as its factorization.

2697287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752.

The product of its digits is 84672, while the sum is 41.

The square root of 2697287 is about 1642.3419254224. The cubic root of 2697287 is about 139.2010100061.

The spelling of 2697287 in words is "two million, six hundred ninety-seven thousand, two hundred eighty-seven".