2660513 has 8 divisors (see below), whose sum is σ = 2891520. Its totient is φ = 2438640.

The previous prime is 2660509. The next prime is 2660521. The reversal of 2660513 is 3150662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2660513 - 2² = 2660509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (361440).

2^2660513 is an apocalyptic number.

It is an amenable number.

2660513 is a deficient number, since it is larger than the sum of its proper divisors (231007).

2660513 is a wasteful number, since it uses less digits than its factorization.

2660513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2660513 is about 1631.1079056886. The cubic root of 2660513 is about 138.5655048609.

The spelling of 2660513 in words is "two million, six hundred sixty thousand, five hundred thirteen".