3752321 has 2 divisors, whose sum is σ = 3752322. Its totient is φ = 3752320.

The previous prime is 3752317. The next prime is 3752327. The reversal of 3752321 is 1232573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3748096 + 4225 = 1936^2 + 65^2 .

It is an emirp because it is prime and its reverse (1232573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3752321 - 2² = 3752317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3752327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876160 + 1876161.

It is an arithmetic number, because the mean of its divisors is an integer number (1876161).

Almost surely, 2^3752321 is an apocalyptic number.

It is an amenable number.

3752321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3752321 is an equidigital number, since it uses as much as digits as its factorization.

3752321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 3752321 is about 1937.0908600270. The cubic root of 3752321 is about 155.3936715167.

Adding to 3752321 its reverse (1232573), we get a palindrome (4984894).

The spelling of 3752321 in words is "three million, seven hundred fifty-two thousand, three hundred twenty-one".