25448764 has 24 divisors (see below), whose sum is σ = 50698368. Its totient is φ = 11064240.

The previous prime is 25448729. The next prime is 25448767. The reversal of 25448764 is 46784452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25448767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11562 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (2112432).

Almost surely, 2^25448764 is an apocalyptic number.

It is an amenable number.

25448764 is a deficient number, since it is larger than the sum of its proper divisors (25249604).

25448764 is a wasteful number, since it uses less digits than its factorization.

25448764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25185 (or 25183 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 25448764 is about 5044.6767983688. The cubic root of 25448764 is about 294.1410001316.

The spelling of 25448764 in words is "twenty-five million, four hundred forty-eight thousand, seven hundred sixty-four".