2663291 has 8 divisors (see below), whose sum is σ = 2747184. Its totient is φ = 2580480.

The previous prime is 2663279. The next prime is 2663293. The reversal of 2663291 is 1923662.

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-2663291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2663293) 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, 10235 + ... + 10491.

It is an arithmetic number, because the mean of its divisors is an integer number (343398).

2^2663291 is an apocalyptic number.

2663291 is a deficient number, since it is larger than the sum of its proper divisors (83893).

2663291 is a wasteful number, since it uses less digits than its factorization.

2663291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its digits is 3888, while the sum is 29.

The square root of 2663291 is about 1631.9592519423. The cubic root of 2663291 is about 138.6137162488.

The spelling of 2663291 in words is "two million, six hundred sixty-three thousand, two hundred ninety-one".