3733021 has 2 divisors, whose sum is σ = 3733022. Its totient is φ = 3733020.

The previous prime is 3733003. The next prime is 3733027. The reversal of 3733021 is 1203373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 617796 = 1765^2 + 786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3733021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3733021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3733027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1866510 + 1866511.

It is an arithmetic number, because the mean of its divisors is an integer number (1866511).

Almost surely, 2^3733021 is an apocalyptic number.

3733021 is the 1116-th hex number.

It is an amenable number.

3733021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3733021 is an equidigital number, since it uses as much as digits as its factorization.

3733021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 3733021 is about 1932.1027405394. The cubic root of 3733021 is about 155.1267918493.

Adding to 3733021 its reverse (1203373), we get a palindrome (4936394).

The spelling of 3733021 in words is "three million, seven hundred thirty-three thousand, twenty-one".