2668253 has 8 divisors (see below), whose sum is σ = 3182208. Its totient is φ = 2187504.

The previous prime is 2668249. The next prime is 2668271. The reversal of 2668253 is 3528662.

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 2668253 - 2² = 2668249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668213) 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 7 ways as a sum of consecutive naturals, for example, 8126 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (397776).

2^2668253 is an apocalyptic number.

2668253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2668253 is a deficient number, since it is larger than the sum of its proper divisors (513955).

2668253 is a wasteful number, since it uses less digits than its factorization.

2668253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16603.

The product of its digits is 17280, while the sum is 32.

The square root of 2668253 is about 1633.4788030458. The cubic root of 2668253 is about 138.6997469719.

The spelling of 2668253 in words is "two million, six hundred sixty-eight thousand, two hundred fifty-three".