2560993 has 2 divisors, whose sum is σ = 2560994. Its totient is φ = 2560992.

The previous prime is 2560979. The next prime is 2560997. The reversal of 2560993 is 3990652.

It is a happy number.

2560993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 786769 = 1332^2 + 887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2560993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2560997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280496 + 1280497.

It is an arithmetic number, because the mean of its divisors is an integer number (1280497).

2^2560993 is an apocalyptic number.

It is an amenable number.

2560993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560993 is an equidigital number, since it uses as much as digits as its factorization.

2560993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 2560993 is about 1600.3102824140. The cubic root of 2560993 is about 136.8157610114.

It can be divided in two parts, 2560 and 993, that added together give a palindrome (3553).

The spelling of 2560993 in words is "two million, five hundred sixty thousand, nine hundred ninety-three".