25956401 has 8 divisors (see below), whose sum is σ = 26559360. Its totient is φ = 25358992.

The previous prime is 25956353. The next prime is 25956407. The reversal of 25956401 is 10465952.

It is a happy number.

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 25956401 - 2¹⁴ = 25940017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25956407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8936 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (3319920).

Almost surely, 2^25956401 is an apocalyptic number.

It is an amenable number.

25956401 is a deficient number, since it is larger than the sum of its proper divisors (602959).

25956401 is a wasteful number, since it uses less digits than its factorization.

25956401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 25956401 is about 5094.7424861321. The cubic root of 25956401 is about 296.0839220588.

The spelling of 25956401 in words is "twenty-five million, nine hundred fifty-six thousand, four hundred one".