2508663 has 8 divisors (see below), whose sum is σ = 3422848. Its totient is φ = 1633464.

The previous prime is 2508641. The next prime is 2508677. The reversal of 2508663 is 3668052.

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

It is not a de Polignac number, because 2508663 - 2⁶ = 2508599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2508663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508683) 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, 9595 + ... + 9852.

It is an arithmetic number, because the mean of its divisors is an integer number (427856).

2^2508663 is an apocalyptic number.

2508663 is a deficient number, since it is larger than the sum of its proper divisors (914185).

2508663 is a wasteful number, since it uses less digits than its factorization.

2508663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2508663 is about 1583.8759421116. The cubic root of 2508663 is about 135.8774667670.

The spelling of 2508663 in words is "two million, five hundred eight thousand, six hundred sixty-three".