25050689 has 2 divisors, whose sum is σ = 25050690. Its totient is φ = 25050688.

The previous prime is 25050677. The next prime is 25050691. The reversal of 25050689 is 98605052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17305600 + 7745089 = 4160^2 + 2783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25050689 is a prime.

Together with 25050691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25050629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525344 + 12525345.

It is an arithmetic number, because the mean of its divisors is an integer number (12525345).

Almost surely, 2^25050689 is an apocalyptic number.

It is an amenable number.

25050689 is a deficient number, since it is larger than the sum of its proper divisors (1).

25050689 is an equidigital number, since it uses as much as digits as its factorization.

25050689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 25050689 is about 5005.0663332268. The cubic root of 25050689 is about 292.5992611224.

The spelling of 25050689 in words is "twenty-five million, fifty thousand, six hundred eighty-nine".