25709048 has 16 divisors (see below), whose sum is σ = 48315960. Its totient is φ = 12824800.

The previous prime is 25709041. The next prime is 25709053. The reversal of 25709048 is 84090752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25708999 and 25709017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25709041) 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 in 3 ways as a sum of consecutive naturals, for example, 203 + ... + 7173.

Almost surely, 2^25709048 is an apocalyptic number.

It is an amenable number.

25709048 is a deficient number, since it is larger than the sum of its proper divisors (22606912).

25709048 is a wasteful number, since it uses less digits than its factorization.

25709048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438 (or 7434 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 25709048 is about 5070.4090564766. The cubic root of 25709048 is about 295.1404023801.

The spelling of 25709048 in words is "twenty-five million, seven hundred nine thousand, forty-eight".