25994851 has 4 divisors (see below), whose sum is σ = 26049600. Its totient is φ = 25940104.

The previous prime is 25994821. The next prime is 25994879. The reversal of 25994851 is 15849952.

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 25994851 - 2¹¹ = 25992803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25994798 and 25994807.

It is not an unprimeable number, because it can be changed into a prime (25994821) 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, 26656 + ... + 27613.

It is an arithmetic number, because the mean of its divisors is an integer number (6512400).

Almost surely, 2^25994851 is an apocalyptic number.

25994851 is a deficient number, since it is larger than the sum of its proper divisors (54749).

25994851 is an equidigital number, since it uses as much as digits as its factorization.

25994851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54748.

The product of its digits is 129600, while the sum is 43.

The square root of 25994851 is about 5098.5145876029. The cubic root of 25994851 is about 296.2300492775.

The spelling of 25994851 in words is "twenty-five million, nine hundred ninety-four thousand, eight hundred fifty-one".