25425021202 has 16 divisors (see below), whose sum is σ = 43591639680. Its totient is φ = 10894965408.

The previous prime is 25425021199. The next prime is 25425021233. The reversal of 25425021202 is 20212052452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11923 + ... + 225814.

It is an arithmetic number, because the mean of its divisors is an integer number (2724477480).

Almost surely, 2^25425021202 is an apocalyptic number.

25425021202 is a deficient number, since it is larger than the sum of its proper divisors (18166618478).

25425021202 is a wasteful number, since it uses less digits than its factorization.

25425021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245385.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 25425021202 its reverse (20212052452), we get a palindrome (45637073654).

The spelling of 25425021202 in words is "twenty-five billion, four hundred twenty-five million, twenty-one thousand, two hundred two".