25995801 has 8 divisors (see below), whose sum is σ = 37327360. Its totient is φ = 15997392.

The previous prime is 25995797. The next prime is 25995817. The reversal of 25995801 is 10859952.

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

It is not a de Polignac number, because 25995801 - 2² = 25995797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 666559 = 25995801 / (2 + 5 + 9 + 9 + 5 + 8 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25995801.

It is not an unprimeable number, because it can be changed into a prime (25995001) 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, 333241 + ... + 333318.

It is an arithmetic number, because the mean of its divisors is an integer number (4665920).

Almost surely, 2^25995801 is an apocalyptic number.

It is an amenable number.

25995801 is a deficient number, since it is larger than the sum of its proper divisors (11331559).

25995801 is a wasteful number, since it uses less digits than its factorization.

25995801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666575.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 25995801 is about 5098.6077511415. The cubic root of 25995801 is about 296.2336578783.

It can be divided in two parts, 25995 and 801, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 25995801 in words is "twenty-five million, nine hundred ninety-five thousand, eight hundred one".