25679785 has 8 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 20295984.

The previous prime is 25679779. The next prime is 25679789. The reversal of 25679785 is 58797652.

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

It is a cyclic number.

It is not a de Polignac number, because 25679785 - 2¹¹ = 25677737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25679789) 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, 30525 + ... + 31354.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 2^25679785 is an apocalyptic number.

It is an amenable number.

25679785 is a deficient number, since it is larger than the sum of its proper divisors (5507735).

25679785 is an equidigital number, since it uses as much as digits as its factorization.

25679785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61967.

The product of its digits is 1058400, while the sum is 49.

The square root of 25679785 is about 5067.5225702507. The cubic root of 25679785 is about 295.0283799183.

The spelling of 25679785 in words is "twenty-five million, six hundred seventy-nine thousand, seven hundred eighty-five".