3521361 has 4 divisors (see below), whose sum is σ = 4695152. Its totient is φ = 2347572.

The previous prime is 3521341. The next prime is 3521377. The reversal of 3521361 is 1631253.

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 de Polignac number, because none of the positive numbers 2^k-3521361 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3521341) 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 in 3 ways as a sum of consecutive naturals, for example, 586891 + ... + 586896.

It is an arithmetic number, because the mean of its divisors is an integer number (1173788).

Almost surely, 2^3521361 is an apocalyptic number.

It is an amenable number.

3521361 is a deficient number, since it is larger than the sum of its proper divisors (1173791).

3521361 is a wasteful number, since it uses less digits than its factorization.

3521361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173790.

The product of its digits is 540, while the sum is 21.

The square root of 3521361 is about 1876.5289765948. The cubic root of 3521361 is about 152.1377012766.

The spelling of 3521361 in words is "three million, five hundred twenty-one thousand, three hundred sixty-one".