2513666 has 8 divisors (see below), whose sum is σ = 3892224. Its totient is φ = 1216260.

The previous prime is 2513663. The next prime is 2513677. The reversal of 2513666 is 6663152.

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 (2513663) 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, 20210 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (486528).

2^2513666 is an apocalyptic number.

2513666 is a deficient number, since it is larger than the sum of its proper divisors (1378558).

2513666 is a wasteful number, since it uses less digits than its factorization.

2513666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40576.

The product of its digits is 6480, while the sum is 29.

The square root of 2513666 is about 1585.4545089658. The cubic root of 2513666 is about 135.9677331179.

The spelling of 2513666 in words is "two million, five hundred thirteen thousand, six hundred sixty-six".