25984679 has 4 divisors (see below), whose sum is σ = 29696784. Its totient is φ = 22272576.

The previous prime is 25984657. The next prime is 25984697. The reversal of 25984679 is 97648952.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25984679 - 2¹⁶ = 25919143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25984649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856042 + ... + 1856055.

It is an arithmetic number, because the mean of its divisors is an integer number (7424196).

Almost surely, 2^25984679 is an apocalyptic number.

25984679 is a deficient number, since it is larger than the sum of its proper divisors (3712105).

25984679 is an equidigital number, since it uses as much as digits as its factorization.

25984679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712104.

The product of its digits is 1088640, while the sum is 50.

The square root of 25984679 is about 5097.5169445525. The cubic root of 25984679 is about 296.1914051478.

The spelling of 25984679 in words is "twenty-five million, nine hundred eighty-four thousand, six hundred seventy-nine".