25726529 has 2 divisors, whose sum is σ = 25726530. Its totient is φ = 25726528.

The previous prime is 25726511. The next prime is 25726541. The reversal of 25726529 is 92562752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17472400 + 8254129 = 4180^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 25726529 - 2⁸ = 25726273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25726492 and 25726501.

It is not a weakly prime, because it can be changed into another prime (25726579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12863264 + 12863265.

It is an arithmetic number, because the mean of its divisors is an integer number (12863265).

Almost surely, 2^25726529 is an apocalyptic number.

It is an amenable number.

25726529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25726529 is an equidigital number, since it uses as much as digits as its factorization.

25726529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 25726529 is about 5072.1325889610. The cubic root of 25726529 is about 295.2072813046.

The spelling of 25726529 in words is "twenty-five million, seven hundred twenty-six thousand, five hundred twenty-nine".