25543242314 has 4 divisors (see below), whose sum is σ = 38314863474. Its totient is φ = 12771621156.

The previous prime is 25543242293. The next prime is 25543242359. The reversal of 25543242314 is 41324234552.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 17817711289 + 7725531025 = 133483^2 + 87895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385810577 + ... + 6385810580.

Almost surely, 2^25543242314 is an apocalyptic number.

25543242314 is a deficient number, since it is larger than the sum of its proper divisors (12771621160).

25543242314 is a wasteful number, since it uses less digits than its factorization.

25543242314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771621159.

The product of its digits is 115200, while the sum is 35.

Adding to 25543242314 its reverse (41324234552), we get a palindrome (66867476866).

The spelling of 25543242314 in words is "twenty-five billion, five hundred forty-three million, two hundred forty-two thousand, three hundred fourteen".