25940102 has 4 divisors (see below), whose sum is σ = 38910156. Its totient is φ = 12970050.

The previous prime is 25940093. The next prime is 25940107. The reversal of 25940102 is 20104952.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25940107) 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 as a sum of consecutive naturals, namely, 6485024 + ... + 6485027.

It is an arithmetic number, because the mean of its divisors is an integer number (9727539).

Almost surely, 2^25940102 is an apocalyptic number.

25940102 is a deficient number, since it is larger than the sum of its proper divisors (12970054).

25940102 is a wasteful number, since it uses less digits than its factorization.

25940102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970053.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25940102 is about 5093.1426447725. The cubic root of 25940102 is about 296.0219350071.

The spelling of 25940102 in words is "twenty-five million, nine hundred forty thousand, one hundred two".