25921468 has 6 divisors (see below), whose sum is σ = 45362576. Its totient is φ = 12960732.

The previous prime is 25921463. The next prime is 25921477. The reversal of 25921468 is 86412952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25921463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240180 + ... + 3240187.

Almost surely, 2^25921468 is an apocalyptic number.

It is an amenable number.

25921468 is a deficient number, since it is larger than the sum of its proper divisors (19441108).

25921468 is a wasteful number, since it uses less digits than its factorization.

25921468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480371 (or 6480369 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 25921468 is about 5091.3129937178. The cubic root of 25921468 is about 295.9510358502.

The spelling of 25921468 in words is "twenty-five million, nine hundred twenty-one thousand, four hundred sixty-eight".