3442521 has 4 divisors (see below), whose sum is σ = 4590032. Its totient is φ = 2295012.

The previous prime is 3442499. The next prime is 3442567. The reversal of 3442521 is 1252443.

3442521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3442521 - 2⁵ = 3442489 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3442121) 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 in 3 ways as a sum of consecutive naturals, for example, 573751 + ... + 573756.

It is an arithmetic number, because the mean of its divisors is an integer number (1147508).

Almost surely, 2^3442521 is an apocalyptic number.

It is an amenable number.

3442521 is a deficient number, since it is larger than the sum of its proper divisors (1147511).

3442521 is a wasteful number, since it uses less digits than its factorization.

3442521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147510.

The product of its digits is 960, while the sum is 21.

The square root of 3442521 is about 1855.4031906839. The cubic root of 3442521 is about 150.9937134643.

Adding to 3442521 its reverse (1252443), we get a palindrome (4694964).

The spelling of 3442521 in words is "three million, four hundred forty-two thousand, five hundred twenty-one".