25682530 has 8 divisors (see below), whose sum is σ = 46228572. Its totient is φ = 10273008.

The previous prime is 25682519. The next prime is 25682611. The reversal of 25682530 is 3528652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 2169729 = 4849^2 + 1473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25682492 and 25682501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284117 + ... + 1284136.

Almost surely, 2^25682530 is an apocalyptic number.

25682530 is a deficient number, since it is larger than the sum of its proper divisors (20546042).

25682530 is a wasteful number, since it uses less digits than its factorization.

25682530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568260.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 25682530 is about 5067.7934054182. The cubic root of 25682530 is about 295.0388917411.

The spelling of 25682530 in words is "twenty-five million, six hundred eighty-two thousand, five hundred thirty".