25668250 has 16 divisors (see below), whose sum is σ = 48051432. Its totient is φ = 10267200.

The previous prime is 25668239. The next prime is 25668263. The reversal of 25668250 is 5286652.

It can be written as a sum of positive squares in 4 ways, for example, as 11553201 + 14115049 = 3399^2 + 3757^2 .

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, 51087 + ... + 51586.

Almost surely, 2^25668250 is an apocalyptic number.

25668250 is a deficient number, since it is larger than the sum of its proper divisors (22383182).

25668250 is a wasteful number, since it uses less digits than its factorization.

25668250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102690 (or 102680 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25668250 is about 5066.3843123079. The cubic root of 25668250 is about 294.9841990962.

It can be divided in two parts, 2566 and 8250, that added together give a square (10816 = 104²).

The spelling of 25668250 in words is "twenty-five million, six hundred sixty-eight thousand, two hundred fifty".