25325243 has 2 divisors, whose sum is σ = 25325244. Its totient is φ = 25325242.

The previous prime is 25325239. The next prime is 25325273. The reversal of 25325243 is 34252352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25325243 - 2² = 25325239 is a prime.

It is not a weakly prime, because it can be changed into another prime (25325273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662621 + 12662622.

It is an arithmetic number, because the mean of its divisors is an integer number (12662622).

Almost surely, 2^25325243 is an apocalyptic number.

25325243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325243 is an equidigital number, since it uses as much as digits as its factorization.

25325243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 26.

The square root of 25325243 is about 5032.4191995501. The cubic root of 25325243 is about 293.6643360893.

Adding to 25325243 its reverse (34252352), we get a palindrome (59577595).

The spelling of 25325243 in words is "twenty-five million, three hundred twenty-five thousand, two hundred forty-three".