25959385 has 8 divisors (see below), whose sum is σ = 31993416. Its totient is φ = 20206080.

The previous prime is 25959359. The next prime is 25959389. The reversal of 25959385 is 58395952.

It can be written as a sum of positive squares in 4 ways, for example, as 10055241 + 15904144 = 3171^2 + 3988^2 .

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

It is not a de Polignac number, because 25959385 - 2⁷ = 25959257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25959389) 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 7 ways as a sum of consecutive naturals, for example, 69976 + ... + 70345.

It is an arithmetic number, because the mean of its divisors is an integer number (3999177).

Almost surely, 2^25959385 is an apocalyptic number.

It is an amenable number.

25959385 is a deficient number, since it is larger than the sum of its proper divisors (6034031).

25959385 is a wasteful number, since it uses less digits than its factorization.

25959385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140363.

The product of its digits is 486000, while the sum is 46.

The square root of 25959385 is about 5095.0353286312. The cubic root of 25959385 is about 296.0952677582.

The spelling of 25959385 in words is "twenty-five million, nine hundred fifty-nine thousand, three hundred eighty-five".