3521723 has 2 divisors, whose sum is σ = 3521724. Its totient is φ = 3521722.

The previous prime is 3521699. The next prime is 3521729. The reversal of 3521723 is 3271253.

It is a strong prime.

It is an emirp because it is prime and its reverse (3271253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3521723 - 2⁶ = 3521659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3521729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760861 + 1760862.

It is an arithmetic number, because the mean of its divisors is an integer number (1760862).

Almost surely, 2^3521723 is an apocalyptic number.

3521723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521723 is an equidigital number, since it uses as much as digits as its factorization.

3521723 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3521723 is about 1876.6254287950. The cubic root of 3521723 is about 152.1429144087.

Adding to 3521723 its reverse (3271253), we get a palindrome (6792976).

The spelling of 3521723 in words is "three million, five hundred twenty-one thousand, seven hundred twenty-three".