3660513 has 4 divisors (see below), whose sum is σ = 4880688. Its totient is φ = 2440340.

The previous prime is 3660497. The next prime is 3660523. The reversal of 3660513 is 3150663.

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 3660513 - 2⁴ = 3660497 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3660523) 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, 610083 + ... + 610088.

It is an arithmetic number, because the mean of its divisors is an integer number (1220172).

Almost surely, 2^3660513 is an apocalyptic number.

It is an amenable number.

3660513 is a deficient number, since it is larger than the sum of its proper divisors (1220175).

3660513 is a wasteful number, since it uses less digits than its factorization.

3660513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220174.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3660513 is about 1913.2467169709. The cubic root of 3660513 is about 154.1158542389.

The spelling of 3660513 in words is "three million, six hundred sixty thousand, five hundred thirteen".