549745033 has 2 divisors, whose sum is σ = 549745034. Its totient is φ = 549745032.

The previous prime is 549745019. The next prime is 549745051. The reversal of 549745033 is 330547945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339001744 + 210743289 = 18412^2 + 14517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549745033 is a prime.

It is not a weakly prime, because it can be changed into another prime (549745013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274872516 + 274872517.

It is an arithmetic number, because the mean of its divisors is an integer number (274872517).

Almost surely, 2^549745033 is an apocalyptic number.

It is an amenable number.

549745033 is a deficient number, since it is larger than the sum of its proper divisors (1).

549745033 is an equidigital number, since it uses as much as digits as its factorization.

549745033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 549745033 is about 23446.6422542760. The cubic root of 549745033 is about 819.1946450400.

The spelling of 549745033 in words is "five hundred forty-nine million, seven hundred forty-five thousand, thirty-three".