25652447 has 2 divisors, whose sum is σ = 25652448. Its totient is φ = 25652446.

The previous prime is 25652423. The next prime is 25652453. The reversal of 25652447 is 74425652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25652447 - 2¹² = 25648351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25652947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12826223 + 12826224.

It is an arithmetic number, because the mean of its divisors is an integer number (12826224).

Almost surely, 2^25652447 is an apocalyptic number.

25652447 is a deficient number, since it is larger than the sum of its proper divisors (1).

25652447 is an equidigital number, since it uses as much as digits as its factorization.

25652447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 35.

The square root of 25652447 is about 5064.8244786962. The cubic root of 25652447 is about 294.9236496848.

The spelling of 25652447 in words is "twenty-five million, six hundred fifty-two thousand, four hundred forty-seven".