25324529 has 2 divisors, whose sum is σ = 25324530. Its totient is φ = 25324528.

The previous prime is 25324501. The next prime is 25324531. The reversal of 25324529 is 92542352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 11833600 = 3673^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 25324529 - 2¹² = 25320433 is a prime.

Together with 25324531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25324495 and 25324504.

It is not a weakly prime, because it can be changed into another prime (25324589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662264 + 12662265.

It is an arithmetic number, because the mean of its divisors is an integer number (12662265).

Almost surely, 2^25324529 is an apocalyptic number.

It is an amenable number.

25324529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25324529 is an equidigital number, since it uses as much as digits as its factorization.

25324529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 25324529 is about 5032.3482590139. The cubic root of 25324529 is about 293.6615762829.

The spelling of 25324529 in words is "twenty-five million, three hundred twenty-four thousand, five hundred twenty-nine".