13235500825 has 6 divisors (see below), whose sum is σ = 16412021054. Its totient is φ = 10588400640.

The previous prime is 13235500819. The next prime is 13235500867. The reversal of 13235500825 is 52800553231.

It can be written as a sum of positive squares in 3 ways, for example, as 22458121 + 13213042704 = 4739^2 + 114948^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13235500825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264709992 + ... + 264710041.

Almost surely, 2^13235500825 is an apocalyptic number.

It is an amenable number.

13235500825 is a deficient number, since it is larger than the sum of its proper divisors (3176520229).

13235500825 is an equidigital number, since it uses as much as digits as its factorization.

13235500825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529420043 (or 529420038 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 13235500825 in words is "thirteen billion, two hundred thirty-five million, five hundred thousand, eight hundred twenty-five".