3521741 has 4 divisors (see below), whose sum is σ = 3566400. Its totient is φ = 3477084.

The previous prime is 3521729. The next prime is 3521747. The reversal of 3521741 is 1471253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3521741 - 2⁶ = 3521677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22211 + ... + 22368.

It is an arithmetic number, because the mean of its divisors is an integer number (891600).

Almost surely, 2^3521741 is an apocalyptic number.

It is an amenable number.

3521741 is a deficient number, since it is larger than the sum of its proper divisors (44659).

3521741 is an equidigital number, since it uses as much as digits as its factorization.

3521741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44658.

The product of its digits is 840, while the sum is 23.

The square root of 3521741 is about 1876.6302246314. The cubic root of 3521741 is about 152.1431736159.

Adding to 3521741 its reverse (1471253), we get a palindrome (4992994).

The spelling of 3521741 in words is "three million, five hundred twenty-one thousand, seven hundred forty-one".