25448963 has 4 divisors (see below), whose sum is σ = 25601520. Its totient is φ = 25296408.

The previous prime is 25448953. The next prime is 25448989. The reversal of 25448963 is 36984452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25448963 - 2⁸ = 25448707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25448963.

It is not an unprimeable number, because it can be changed into a prime (25448953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76028 + ... + 76361.

It is an arithmetic number, because the mean of its divisors is an integer number (6400380).

Almost surely, 2^25448963 is an apocalyptic number.

25448963 is a deficient number, since it is larger than the sum of its proper divisors (152557).

25448963 is a wasteful number, since it uses less digits than its factorization.

25448963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152556.

The product of its digits is 207360, while the sum is 41.

The square root of 25448963 is about 5044.6965220913. The cubic root of 25448963 is about 294.1417668212.

The spelling of 25448963 in words is "twenty-five million, four hundred forty-eight thousand, nine hundred sixty-three".