25079827 has 4 divisors (see below), whose sum is σ = 25433136. Its totient is φ = 24726520.

The previous prime is 25079801. The next prime is 25079843. The reversal of 25079827 is 72897052.

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 25079827 - 2⁷ = 25079699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25079827.

It is not an unprimeable number, because it can be changed into a prime (25079027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176548 + ... + 176689.

It is an arithmetic number, because the mean of its divisors is an integer number (6358284).

Almost surely, 2^25079827 is an apocalyptic number.

25079827 is a deficient number, since it is larger than the sum of its proper divisors (353309).

25079827 is an equidigital number, since it uses as much as digits as its factorization.

25079827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353308.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 25079827 is about 5007.9763378035. The cubic root of 25079827 is about 292.7126639087.

Subtracting 25079827 from its reverse (72897052), we obtain a square (47817225 = 6915²).

The spelling of 25079827 in words is "twenty-five million, seventy-nine thousand, eight hundred twenty-seven".