25314430345 has 4 divisors (see below), whose sum is σ = 30377316420. Its totient is φ = 20251544272.

The previous prime is 25314430313. The next prime is 25314430367. The reversal of 25314430345 is 54303441352.

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 2 ways, for example, as 4571517769 + 20742912576 = 67613^2 + 144024^2 .

It is a cyclic number.

It is not a de Polignac number, because 25314430345 - 2⁵ = 25314430313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25314430345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531443030 + ... + 2531443039.

It is an arithmetic number, because the mean of its divisors is an integer number (7594329105).

Almost surely, 2^25314430345 is an apocalyptic number.

It is an amenable number.

25314430345 is a deficient number, since it is larger than the sum of its proper divisors (5062886075).

25314430345 is an equidigital number, since it uses as much as digits as its factorization.

25314430345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062886074.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 25314430345 its reverse (54303441352), we get a palindrome (79617871697).

The spelling of 25314430345 in words is "twenty-five billion, three hundred fourteen million, four hundred thirty thousand, three hundred forty-five".