25353060506 has 8 divisors (see below), whose sum is σ = 38030549844. Its totient is φ = 12676210560.

The previous prime is 25353060497. The next prime is 25353060529. The reversal of 25353060506 is 60506035352.

It can be written as a sum of positive squares in 2 ways, for example, as 25349416225 + 3644281 = 159215^2 + 1909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43895 + ... + 229418.

Almost surely, 2^25353060506 is an apocalyptic number.

25353060506 is a deficient number, since it is larger than the sum of its proper divisors (12677489338).

25353060506 is a wasteful number, since it uses less digits than its factorization.

25353060506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319696.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 25353060506 its reverse (60506035352), we get a palindrome (85859095858).

The spelling of 25353060506 in words is "twenty-five billion, three hundred fifty-three million, sixty thousand, five hundred six".