26525617 has 2 divisors, whose sum is σ = 26525618. Its totient is φ = 26525616.

The previous prime is 26525591. The next prime is 26525623. The reversal of 26525617 is 71652562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 1083681 = 5044^2 + 1041^2 .

It is a cyclic number.

It is not a de Polignac number, because 26525617 - 2⁷ = 26525489 is a prime.

It is not a weakly prime, because it can be changed into another prime (26525657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13262808 + 13262809.

It is an arithmetic number, because the mean of its divisors is an integer number (13262809).

Almost surely, 2^26525617 is an apocalyptic number.

It is an amenable number.

26525617 is a deficient number, since it is larger than the sum of its proper divisors (1).

26525617 is an equidigital number, since it uses as much as digits as its factorization.

26525617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 26525617 is about 5150.3026124685. The cubic root of 26525617 is about 298.2326344355.

The spelling of 26525617 in words is "twenty-six million, five hundred twenty-five thousand, six hundred seventeen".