2663453 has 8 divisors (see below), whose sum is σ = 2884896. Its totient is φ = 2444400.

The previous prime is 2663431. The next prime is 2663459. The reversal of 2663453 is 3543662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663453 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 6 + 6⁸ + 3¹⁰ + 4⁹ + 5³ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663459) 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, 2258 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (360612).

2^2663453 is an apocalyptic number.

It is an amenable number.

2663453 is a deficient number, since it is larger than the sum of its proper divisors (221443).

2663453 is a wasteful number, since it uses less digits than its factorization.

2663453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its digits is 12960, while the sum is 29.

The square root of 2663453 is about 1632.0088847797. The cubic root of 2663453 is about 138.6165266773.

Subtracting from 2663453 its sum of digits (29), we obtain a square (2663424 = 1632²).

The spelling of 2663453 in words is "two million, six hundred sixty-three thousand, four hundred fifty-three".