13033161925 has 24 divisors (see below), whose sum is σ = 18485529152. Its totient is φ = 8929440000.

The previous prime is 13033161923. The next prime is 13033161971. The reversal of 13033161925 is 52916133031.

It is a happy number.

It is not a de Polignac number, because 13033161925 - 2¹ = 13033161923 is a prime.

It is a super-5 number, since 5×13033161925⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033161923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179170 + ... + 241180.

Almost surely, 2^13033161925 is an apocalyptic number.

It is an amenable number.

13033161925 is a deficient number, since it is larger than the sum of its proper divisors (5452367227).

13033161925 is a wasteful number, since it uses less digits than its factorization.

13033161925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63229 (or 63224 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

Adding to 13033161925 its reverse (52916133031), we get a palindrome (65949294956).

The spelling of 13033161925 in words is "thirteen billion, thirty-three million, one hundred sixty-one thousand, nine hundred twenty-five".