2560823 has 2 divisors, whose sum is σ = 2560824. Its totient is φ = 2560822.

The previous prime is 2560793. The next prime is 2560837. The reversal of 2560823 is 3280652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2560823 - 2⁶ = 2560759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2560792 and 2560801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280411 + 1280412.

It is an arithmetic number, because the mean of its divisors is an integer number (1280412).

2^2560823 is an apocalyptic number.

2560823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560823 is an equidigital number, since it uses as much as digits as its factorization.

2560823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2560823 is about 1600.2571668329. The cubic root of 2560823 is about 136.8127336448.

The spelling of 2560823 in words is "two million, five hundred sixty thousand, eight hundred twenty-three".