25425244 has 12 divisors (see below), whose sum is σ = 47916904. Its totient is φ = 11734704.

The previous prime is 25425223. The next prime is 25425269. The reversal of 25425244 is 44252452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244422 + ... + 244525.

Almost surely, 2^25425244 is an apocalyptic number.

It is an amenable number.

25425244 is a deficient number, since it is larger than the sum of its proper divisors (22491660).

25425244 is a wasteful number, since it uses less digits than its factorization.

25425244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488964 (or 488962 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 25425244 is about 5042.3450893409. The cubic root of 25425244 is about 294.0503561916.

Adding to 25425244 its reverse (44252452), we get a palindrome (69677696).

The spelling of 25425244 in words is "twenty-five million, four hundred twenty-five thousand, two hundred forty-four".