33513130225 has 24 divisors (see below), whose sum is σ = 42054228000. Its totient is φ = 26489696640.

The previous prime is 33513130223. The next prime is 33513130253. The reversal of 33513130225 is 52203131533.

It is not a de Polignac number, because 33513130225 - 2¹ = 33513130223 is a prime.

It is a super-2 number, since 2×33513130225² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33513130193 and 33513130202.

It is not an unprimeable number, because it can be changed into a prime (33513130223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3508506 + ... + 3518044.

It is an arithmetic number, because the mean of its divisors is an integer number (1752259500).

Almost surely, 2^33513130225 is an apocalyptic number.

It is an amenable number.

33513130225 is a deficient number, since it is larger than the sum of its proper divisors (8541097775).

33513130225 is a wasteful number, since it uses less digits than its factorization.

33513130225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217 (or 11212 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 33513130225 its reverse (52203131533), we get a palindrome (85716261758).

The spelling of 33513130225 in words is "thirty-three billion, five hundred thirteen million, one hundred thirty thousand, two hundred twenty-five".