32749133 has 2 divisors, whose sum is σ = 32749134. Its totient is φ = 32749132.

The previous prime is 32749121. The next prime is 32749139. The reversal of 32749133 is 33194723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30891364 + 1857769 = 5558^2 + 1363^2 .

It is an emirp because it is prime and its reverse (33194723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32749133 - 2⁴ = 32749117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32749133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32749139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16374566 + 16374567.

It is an arithmetic number, because the mean of its divisors is an integer number (16374567).

Almost surely, 2^32749133 is an apocalyptic number.

It is an amenable number.

32749133 is a deficient number, since it is larger than the sum of its proper divisors (1).

32749133 is an equidigital number, since it uses as much as digits as its factorization.

32749133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 32749133 is about 5722.6858204867. The cubic root of 32749133 is about 319.9385721933.

The spelling of 32749133 in words is "thirty-two million, seven hundred forty-nine thousand, one hundred thirty-three".