133825033 has 4 divisors (see below), whose sum is σ = 136018948. Its totient is φ = 131631120.

The previous prime is 133825009. The next prime is 133825051. The reversal of 133825033 is 330528331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9903609 + 123921424 = 3147^2 + 11132^2 .

It is a cyclic number.

It is not a de Polignac number, because 133825033 - 2⁵ = 133825001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133824992 and 133825010.

It is not an unprimeable number, because it can be changed into a prime (133828033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096866 + ... + 1096987.

It is an arithmetic number, because the mean of its divisors is an integer number (34004737).

Almost surely, 2^133825033 is an apocalyptic number.

It is an amenable number.

133825033 is a deficient number, since it is larger than the sum of its proper divisors (2193915).

133825033 is an equidigital number, since it uses as much as digits as its factorization.

133825033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193914.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 133825033 is about 11568.2770108603. The cubic root of 133825033 is about 511.5001747044.

The spelling of 133825033 in words is "one hundred thirty-three million, eight hundred twenty-five thousand, thirty-three".