2563343 has 2 divisors, whose sum is σ = 2563344. Its totient is φ = 2563342.

The previous prime is 2563331. The next prime is 2563357. The reversal of 2563343 is 3433652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2563343 - 2⁸ = 2563087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281671 + 1281672.

It is an arithmetic number, because the mean of its divisors is an integer number (1281672).

2^2563343 is an apocalyptic number.

2563343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563343 is an equidigital number, since it uses as much as digits as its factorization.

2563343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 26.

The square root of 2563343 is about 1601.0443466688. The cubic root of 2563343 is about 136.8575961831.

Adding to 2563343 its reverse (3433652), we get a palindrome (5996995).

The spelling of 2563343 in words is "two million, five hundred sixty-three thousand, three hundred forty-three".