25640114 has 8 divisors (see below), whose sum is σ = 40722588. Its totient is φ = 12065920.

The previous prime is 25640081. The next prime is 25640171. The reversal of 25640114 is 41104652.

It can be written as a sum of positive squares in 2 ways, for example, as 23863225 + 1776889 = 4885^2 + 1333^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 25640114.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 377027 + ... + 377094.

Almost surely, 2^25640114 is an apocalyptic number.

25640114 is a deficient number, since it is larger than the sum of its proper divisors (15082474).

25640114 is a wasteful number, since it uses less digits than its factorization.

25640114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754140.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 25640114 is about 5063.6068172796. The cubic root of 25640114 is about 294.8763783474.

Adding to 25640114 its reverse (41104652), we get a palindrome (66744766).

The spelling of 25640114 in words is "twenty-five million, six hundred forty thousand, one hundred fourteen".