25903928 has 8 divisors (see below), whose sum is σ = 48569880. Its totient is φ = 12951960.

The previous prime is 25903921. The next prime is 25903963. The reversal of 25903928 is 82930952.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25903891 and 25903900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25903921) by changing a digit.

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, 1618988 + ... + 1619003.

It is an arithmetic number, because the mean of its divisors is an integer number (6071235).

Almost surely, 2^25903928 is an apocalyptic number.

It is an amenable number.

25903928 is a deficient number, since it is larger than the sum of its proper divisors (22665952).

25903928 is a wasteful number, since it uses less digits than its factorization.

25903928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237997 (or 3237993 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 25903928 is about 5089.5901603174. The cubic root of 25903928 is about 295.8842681238.

The spelling of 25903928 in words is "twenty-five million, nine hundred three thousand, nine hundred twenty-eight".