33133351225 has 12 divisors (see below), whose sum is σ = 44245767916. Its totient is φ = 24467705280.

The previous prime is 33133351189. The next prime is 33133351243. The reversal of 33133351225 is 52215333133.

It can be written as a sum of positive squares in 6 ways, for example, as 7802718889 + 25330632336 = 88333^2 + 159156^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33133351225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50974062 + ... + 50974711.

Almost surely, 2^33133351225 is an apocalyptic number.

It is an amenable number.

33133351225 is a deficient number, since it is larger than the sum of its proper divisors (11112416691).

33133351225 is a wasteful number, since it uses less digits than its factorization.

33133351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101948796 (or 101948791 counting only the distinct ones).

The product of its digits is 24300, while the sum is 31.

Adding to 33133351225 its reverse (52215333133), we get a palindrome (85348684358).

The spelling of 33133351225 in words is "thirty-three billion, one hundred thirty-three million, three hundred fifty-one thousand, two hundred twenty-five".