25356648 has 32 divisors (see below), whose sum is σ = 63653760. Its totient is φ = 8417280.

The previous prime is 25356637. The next prime is 25356677. The reversal of 25356648 is 84665352.

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 7 ways as a sum of consecutive naturals, for example, 4113 + ... + 8223.

It is an arithmetic number, because the mean of its divisors is an integer number (1989180).

Almost surely, 2^25356648 is an apocalyptic number.

It is an amenable number.

25356648 is an abundant number, since it is smaller than the sum of its proper divisors (38297112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25356648 is a wasteful number, since it uses less digits than its factorization.

25356648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4373 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 25356648 is about 5035.5385014912. The cubic root of 25356648 is about 293.7856737722.

The spelling of 25356648 in words is "twenty-five million, three hundred fifty-six thousand, six hundred forty-eight".