25463447 has 2 divisors, whose sum is σ = 25463448. Its totient is φ = 25463446.

The previous prime is 25463441. The next prime is 25463453. The reversal of 25463447 is 74436452.

It is a balanced prime because it is at equal distance from previous prime (25463441) and next prime (25463453).

It is a cyclic number.

It is not a de Polignac number, because 25463447 - 2¹² = 25459351 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 (25463441) 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, 12731723 + 12731724.

It is an arithmetic number, because the mean of its divisors is an integer number (12731724).

Almost surely, 2^25463447 is an apocalyptic number.

25463447 is a deficient number, since it is larger than the sum of its proper divisors (1).

25463447 is an equidigital number, since it uses as much as digits as its factorization.

25463447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 25463447 is about 5046.1318849194. The cubic root of 25463447 is about 294.1975587653.

Adding to 25463447 its reverse (74436452), we get a palindrome (99899899).

The spelling of 25463447 in words is "twenty-five million, four hundred sixty-three thousand, four hundred forty-seven".