3521461 has 4 divisors (see below), whose sum is σ = 3674592. Its totient is φ = 3368332.

The previous prime is 3521437. The next prime is 3521473. The reversal of 3521461 is 1641253.

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 3521461 - 2¹¹ = 3519413 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3521461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521561) 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, 76531 + ... + 76576.

It is an arithmetic number, because the mean of its divisors is an integer number (918648).

Almost surely, 2^3521461 is an apocalyptic number.

It is an amenable number.

3521461 is a deficient number, since it is larger than the sum of its proper divisors (153131).

3521461 is a wasteful number, since it uses less digits than its factorization.

3521461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153130.

The product of its digits is 720, while the sum is 22.

The square root of 3521461 is about 1876.5556213446. Note that the first 3 decimals coincide. The cubic root of 3521461 is about 152.1391414040.

The spelling of 3521461 in words is "three million, five hundred twenty-one thousand, four hundred sixty-one".