3013505 has 24 divisors (see below), whose sum is σ = 4223016. Its totient is φ = 2055680.

The previous prime is 3013501. The next prime is 3013519. The reversal of 3013505 is 5053103.

3013505 = 413² + 414² + ... + 429².

It can be written as a sum of positive squares in 4 ways, for example, as 1385329 + 1628176 = 1177^2 + 1276^2 .

It is not a de Polignac number, because 3013505 - 2² = 3013501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013501) 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 23 ways as a sum of consecutive naturals, for example, 10139 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (175959).

Almost surely, 2^3013505 is an apocalyptic number.

It is an amenable number.

3013505 is a deficient number, since it is larger than the sum of its proper divisors (1209511).

3013505 is a wasteful number, since it uses less digits than its factorization.

3013505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 3013505 is about 1735.9449876076. The cubic root of 3013505 is about 144.4410506544.

Adding to 3013505 its reverse (5053103), we get a palindrome (8066608).

The spelling of 3013505 in words is "three million, thirteen thousand, five hundred five".