25852279 has 4 divisors (see below), whose sum is σ = 26103376. Its totient is φ = 25601184.

The previous prime is 25852273. The next prime is 25852297. The reversal of 25852279 is 97225852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25852279 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 (25852273) 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, 125394 + ... + 125599.

It is an arithmetic number, because the mean of its divisors is an integer number (6525844).

Almost surely, 2^25852279 is an apocalyptic number.

25852279 is a deficient number, since it is larger than the sum of its proper divisors (251097).

25852279 is a wasteful number, since it uses less digits than its factorization.

25852279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251096.

The product of its digits is 100800, while the sum is 40.

The square root of 25852279 is about 5084.5136443912. The cubic root of 25852279 is about 295.6874859385.

The spelling of 25852279 in words is "twenty-five million, eight hundred fifty-two thousand, two hundred seventy-nine".