25229000705 has 8 divisors (see below), whose sum is σ = 32055671592. Its totient is φ = 18995953408.

The previous prime is 25229000663. The next prime is 25229000707. The reversal of 25229000705 is 50700092252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4777712641 + 20451288064 = 69121^2 + 143008^2 .

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

It is not a de Polignac number, because 25229000705 - 2²⁶ = 25161891841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25229000707) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 148405802 + ... + 148405971.

It is an arithmetic number, because the mean of its divisors is an integer number (4006958949).

It is a Proth number, since it is equal to 96241 ⋅ 2¹⁸ + 1 and 96241 < 2¹⁸.

Almost surely, 2^25229000705 is an apocalyptic number.

It is an amenable number.

25229000705 is a deficient number, since it is larger than the sum of its proper divisors (6826670887).

25229000705 is a wasteful number, since it uses less digits than its factorization.

25229000705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296811795.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 25229000705 its reverse (50700092252), we get a palindrome (75929092957).

The spelling of 25229000705 in words is "twenty-five billion, two hundred twenty-nine million, seven hundred five", and thus it is an aban number.