25423168 has 14 divisors (see below), whose sum is σ = 50449226. Its totient is φ = 12711552.

The previous prime is 25423133. The next prime is 25423171. The reversal of 25423168 is 86132452.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 5992704 = 4408^2 + 2448^2 .

It is a congruent number.

It is an unprimeable number.

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, 198555 + ... + 198682.

Almost surely, 2^25423168 is an apocalyptic number.

It is an amenable number.

25423168 is a deficient number, since it is larger than the sum of its proper divisors (25026058).

25423168 is an equidigital number, since it uses as much as digits as its factorization.

25423168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397249 (or 397239 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 25423168 is about 5042.1392285418. The cubic root of 25423168 is about 294.0423527922.

The spelling of 25423168 in words is "twenty-five million, four hundred twenty-three thousand, one hundred sixty-eight".