2660530 has 8 divisors (see below), whose sum is σ = 4788972. Its totient is φ = 1064208.

The previous prime is 2660527. The next prime is 2660533. The reversal of 2660530 is 350662.

It is an interprime number because it is at equal distance from previous prime (2660527) and next prime (2660533).

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 6889 = 1629^2 + 83^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 133017 + ... + 133036.

2^2660530 is an apocalyptic number.

2660530 is a deficient number, since it is larger than the sum of its proper divisors (2128442).

2660530 is a wasteful number, since it uses less digits than its factorization.

2660530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266060.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2660530 is about 1631.1131168622. The cubic root of 2660530 is about 138.5657999931.

The spelling of 2660530 in words is "two million, six hundred sixty thousand, five hundred thirty".