25630386 has 8 divisors (see below), whose sum is σ = 51260784. Its totient is φ = 8543460.

The previous prime is 25630379. The next prime is 25630391. The reversal of 25630386 is 68303652.

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

25630386 is an admirable number.

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, 2135860 + ... + 2135871.

It is an arithmetic number, because the mean of its divisors is an integer number (6407598).

Almost surely, 2^25630386 is an apocalyptic number.

25630386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25630386 is a wasteful number, since it uses less digits than its factorization.

25630386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271736.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 25630386 is about 5062.6461460387. The cubic root of 25630386 is about 294.8390810578.

The spelling of 25630386 in words is "twenty-five million, six hundred thirty thousand, three hundred eighty-six".