25535329 has 2 divisors, whose sum is σ = 25535330. Its totient is φ = 25535328.

The previous prime is 25535317. The next prime is 25535353. The reversal of 25535329 is 92353552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 11209104 = 3785^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 25535329 - 2⁷ = 25535201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25535294 and 25535303.

It is not a weakly prime, because it can be changed into another prime (25535369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12767664 + 12767665.

It is an arithmetic number, because the mean of its divisors is an integer number (12767665).

Almost surely, 2^25535329 is an apocalyptic number.

It is an amenable number.

25535329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25535329 is an equidigital number, since it uses as much as digits as its factorization.

25535329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 34.

The square root of 25535329 is about 5053.2493506654. The cubic root of 25535329 is about 294.4741335305.

The spelling of 25535329 in words is "twenty-five million, five hundred thirty-five thousand, three hundred twenty-nine".