25601171 has 8 divisors (see below), whose sum is σ = 26587920. Its totient is φ = 24621408.

The previous prime is 25601153. The next prime is 25601197. The reversal of 25601171 is 17110652.

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

It is a cyclic number.

It is not a de Polignac number, because 25601171 - 2¹⁴ = 25584787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25601111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (3323490).

Almost surely, 2^25601171 is an apocalyptic number.

25601171 is a deficient number, since it is larger than the sum of its proper divisors (986749).

25601171 is a wasteful number, since it uses less digits than its factorization.

25601171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 25601171 is about 5059.7599745442. The cubic root of 25601171 is about 294.7270135736.

The spelling of 25601171 in words is "twenty-five million, six hundred one thousand, one hundred seventy-one".