25321768 has 16 divisors (see below), whose sum is σ = 47854080. Its totient is φ = 12560688.

The previous prime is 25321763. The next prime is 25321787. The reversal of 25321768 is 86712352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25321763) 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, 11446 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (2990880).

Almost surely, 2^25321768 is an apocalyptic number.

It is an amenable number.

25321768 is a deficient number, since it is larger than the sum of its proper divisors (22532312).

25321768 is a wasteful number, since it uses less digits than its factorization.

25321768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056 (or 25052 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 25321768 is about 5032.0739263250. The cubic root of 25321768 is about 293.6509037701.

The spelling of 25321768 in words is "twenty-five million, three hundred twenty-one thousand, seven hundred sixty-eight".