33501450225 has 12 divisors (see below), whose sum is σ = 55389064496. Its totient is φ = 17867440080.

The previous prime is 33501450223. The next prime is 33501450253. The reversal of 33501450225 is 52205410533.

It is not a de Polignac number, because 33501450225 - 2¹ = 33501450223 is a prime.

It is a super-2 number, since 2×33501450225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33501450192 and 33501450201.

It is not an unprimeable number, because it can be changed into a prime (33501450223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223342927 + ... + 223343076.

Almost surely, 2^33501450225 is an apocalyptic number.

It is an amenable number.

33501450225 is a deficient number, since it is larger than the sum of its proper divisors (21887614271).

33501450225 is a wasteful number, since it uses less digits than its factorization.

33501450225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446686016 (or 446686011 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 33501450225 its reverse (52205410533), we get a palindrome (85706860758).

The spelling of 33501450225 in words is "thirty-three billion, five hundred one million, four hundred fifty thousand, two hundred twenty-five".