2662563 has 8 divisors (see below), whose sum is σ = 3573328. Its totient is φ = 1763424.

The previous prime is 2662547. The next prime is 2662567. The reversal of 2662563 is 3652662.

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

It is not a de Polignac number, because 2662563 - 2⁴ = 2662547 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 2662563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662567) 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, 2356 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (446666).

2^2662563 is an apocalyptic number.

2662563 is a deficient number, since it is larger than the sum of its proper divisors (910765).

2662563 is a wasteful number, since it uses less digits than its factorization.

2662563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813.

The product of its digits is 12960, while the sum is 30.

The square root of 2662563 is about 1631.7361919134. The cubic root of 2662563 is about 138.6010852619.

Subtracting 2662563 from its reverse (3652662), we obtain a palindrome (990099).

The spelling of 2662563 in words is "two million, six hundred sixty-two thousand, five hundred sixty-three".