2581027 has 2 divisors, whose sum is σ = 2581028. Its totient is φ = 2581026.

The previous prime is 2581013. The next prime is 2581031. The reversal of 2581027 is 7201852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2581027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2580992 and 2581010.

It is not a weakly prime, because it can be changed into another prime (2581097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290513 + 1290514.

It is an arithmetic number, because the mean of its divisors is an integer number (1290514).

2^2581027 is an apocalyptic number.

2581027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2581027 is an equidigital number, since it uses as much as digits as its factorization.

2581027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2581027 is about 1606.5574997491. The cubic root of 2581027 is about 137.1715931125.

Adding to 2581027 its reverse (7201852), we get a palindrome (9782879).

The spelling of 2581027 in words is "two million, five hundred eighty-one thousand, twenty-seven".