2688523 has 2 divisors, whose sum is σ = 2688524. Its totient is φ = 2688522.

The previous prime is 2688487. The next prime is 2688527. The reversal of 2688523 is 3258862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2688523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2688527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344261 + 1344262.

It is an arithmetic number, because the mean of its divisors is an integer number (1344262).

2^2688523 is an apocalyptic number.

2688523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688523 is an equidigital number, since it uses as much as digits as its factorization.

2688523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 2688523 is about 1639.6716134641. The cubic root of 2688523 is about 139.0500828790.

The spelling of 2688523 in words is "two million, six hundred eighty-eight thousand, five hundred twenty-three".