25669948 has 6 divisors (see below), whose sum is σ = 44922416. Its totient is φ = 12834972.

The previous prime is 25669937. The next prime is 25669957. The reversal of 25669948 is 84996652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208740 + ... + 3208747.

Almost surely, 2^25669948 is an apocalyptic number.

It is an amenable number.

25669948 is a deficient number, since it is larger than the sum of its proper divisors (19252468).

25669948 is a wasteful number, since it uses less digits than its factorization.

25669948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417491 (or 6417489 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 25669948 is about 5066.5518846648. The cubic root of 25669948 is about 294.9907035278.

The spelling of 25669948 in words is "twenty-five million, six hundred sixty-nine thousand, nine hundred forty-eight".