3481509 has 4 divisors (see below), whose sum is σ = 4642016. Its totient is φ = 2321004.

The previous prime is 3481493. The next prime is 3481519. The reversal of 3481509 is 9051843.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9051843 = 3 ⋅3017281.

It is not a de Polignac number, because 3481509 - 2⁴ = 3481493 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481519) 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, 580249 + ... + 580254.

It is an arithmetic number, because the mean of its divisors is an integer number (1160504).

Almost surely, 2^3481509 is an apocalyptic number.

It is an amenable number.

3481509 is a deficient number, since it is larger than the sum of its proper divisors (1160507).

3481509 is a wasteful number, since it uses less digits than its factorization.

3481509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160506.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3481509 is about 1865.8802212361. The cubic root of 3481509 is about 151.5615974510.

The spelling of 3481509 in words is "three million, four hundred eighty-one thousand, five hundred nine".