25706000 has 40 divisors (see below), whose sum is σ = 62161944. Its totient is φ = 10281600.

The previous prime is 25705997. The next prime is 25706003. The reversal of 25706000 is 60752.

It is an interprime number because it is at equal distance from previous prime (25705997) and next prime (25706003).

It can be written as a sum of positive squares in 4 ways, for example, as 2972176 + 22733824 = 1724^2 + 4768^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25706003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427 + ... + 8426.

Almost surely, 2^25706000 is an apocalyptic number.

25706000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25706000 is an abundant number, since it is smaller than the sum of its proper divisors (36455944).

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

25706000 is a wasteful number, since it uses less digits than its factorization.

25706000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12876 (or 12860 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 25706000 is about 5070.1084801018. The cubic root of 25706000 is about 295.1287382181.

Adding to 25706000 its reverse (60752), we get a palindrome (25766752).

The spelling of 25706000 in words is "twenty-five million, seven hundred six thousand".