3501009 has 16 divisors (see below), whose sum is σ = 5232640. Its totient is φ = 2313360.

The previous prime is 3500999. The next prime is 3501041. The reversal of 3501009 is 9001053.

It is not a de Polignac number, because 3501009 - 2²⁰ = 2452433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3500982 and 3501000.

It is not an unprimeable number, because it can be changed into a prime (3501089) 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 15 ways as a sum of consecutive naturals, for example, 2919 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (327040).

Almost surely, 2^3501009 is an apocalyptic number.

It is an amenable number.

3501009 is a deficient number, since it is larger than the sum of its proper divisors (1731631).

3501009 is a wasteful number, since it uses less digits than its factorization.

3501009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 3501009 is about 1871.0983405476. The cubic root of 3501009 is about 151.8440372790.

The spelling of 3501009 in words is "three million, five hundred one thousand, nine".