25787930 has 16 divisors (see below), whose sum is σ = 53049600. Its totient is φ = 8841552.

The previous prime is 25787903. The next prime is 25787947. The reversal of 25787930 is 3978752.

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 in 7 ways as a sum of consecutive naturals, for example, 184130 + ... + 184269.

It is an arithmetic number, because the mean of its divisors is an integer number (3315600).

Almost surely, 2^25787930 is an apocalyptic number.

25787930 is an abundant number, since it is smaller than the sum of its proper divisors (27261670).

25787930 is a wasteful number, since it uses less digits than its factorization.

25787930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368413.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 25787930 is about 5078.1817612212. The cubic root of 25787930 is about 295.4419498450.

The spelling of 25787930 in words is "twenty-five million, seven hundred eighty-seven thousand, nine hundred thirty".