25945913 has 8 divisors (see below), whose sum is σ = 29716800. Its totient is φ = 22191120.

The previous prime is 25945901. The next prime is 25945919. The reversal of 25945913 is 31954952.

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

It is not a de Polignac number, because 25945913 - 2⁴ = 25945897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25945919) 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, 338 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (3714600).

Almost surely, 2^25945913 is an apocalyptic number.

It is an amenable number.

25945913 is a deficient number, since it is larger than the sum of its proper divisors (3770887).

25945913 is an equidigital number, since it uses as much as digits as its factorization.

25945913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047.

The product of its digits is 48600, while the sum is 38.

The square root of 25945913 is about 5093.7130857558. The cubic root of 25945913 is about 296.0440379146.

The spelling of 25945913 in words is "twenty-five million, nine hundred forty-five thousand, nine hundred thirteen".