2594681 has 2 divisors, whose sum is σ = 2594682. Its totient is φ = 2594680.

The previous prime is 2594677. The next prime is 2594689. The reversal of 2594681 is 1864952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 839056 = 1325^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2594681 - 2² = 2594677 is a prime.

It is a super-2 number, since 2×2594681² = 13464738983522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2594689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297340 + 1297341.

It is an arithmetic number, because the mean of its divisors is an integer number (1297341).

2^2594681 is an apocalyptic number.

It is an amenable number.

2594681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2594681 is an equidigital number, since it uses as much as digits as its factorization.

2594681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2594681 is about 1610.8013533642. The cubic root of 2594681 is about 137.4130535720.

The spelling of 2594681 in words is "two million, five hundred ninety-four thousand, six hundred eighty-one".