25780652 has 12 divisors (see below), whose sum is σ = 46672080. Its totient is φ = 12445776.

The previous prime is 25780639. The next prime is 25780661. The reversal of 25780652 is 25608752.

It is an unprimeable number.

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, 111008 + ... + 111239.

It is an arithmetic number, because the mean of its divisors is an integer number (3889340).

Almost surely, 2^25780652 is an apocalyptic number.

It is an amenable number.

25780652 is a deficient number, since it is larger than the sum of its proper divisors (20891428).

25780652 is a wasteful number, since it uses less digits than its factorization.

25780652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222280 (or 222278 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 25780652 is about 5077.4651155867. The cubic root of 25780652 is about 295.4141535229.

The spelling of 25780652 in words is "twenty-five million, seven hundred eighty thousand, six hundred fifty-two".