26025617 has 2 divisors, whose sum is σ = 26025618. Its totient is φ = 26025616.

The previous prime is 26025607. The next prime is 26025653. The reversal of 26025617 is 71652062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 1661521 = 4936^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 26025617 - 2⁸ = 26025361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26025617.

It is not a weakly prime, because it can be changed into another prime (26025607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13012808 + 13012809.

It is an arithmetic number, because the mean of its divisors is an integer number (13012809).

Almost surely, 2^26025617 is an apocalyptic number.

It is an amenable number.

26025617 is a deficient number, since it is larger than the sum of its proper divisors (1).

26025617 is an equidigital number, since it uses as much as digits as its factorization.

26025617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 26025617 is about 5101.5308486767. The cubic root of 26025617 is about 296.3468701116.

Adding to 26025617 its reverse (71652062), we get a palindrome (97677679).

The spelling of 26025617 in words is "twenty-six million, twenty-five thousand, six hundred seventeen".