2623563 has 8 divisors (see below), whose sum is σ = 3886800. Its totient is φ = 1749024.

The previous prime is 2623531. The next prime is 2623567. The reversal of 2623563 is 3653262.

It is not a de Polignac number, because 2623563 - 2⁵ = 2623531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 97169 = 2623563 / (2 + 6 + 2 + 3 + 5 + 6 + 3).

It is a d-powerful number, because it can be written as 2⁵ + 6² + 2¹⁷ + 3⁸ + 5⁹ + 6⁴ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2623567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48558 + ... + 48611.

It is an arithmetic number, because the mean of its divisors is an integer number (485850).

2^2623563 is an apocalyptic number.

2623563 is a deficient number, since it is larger than the sum of its proper divisors (1263237).

2623563 is an equidigital number, since it uses as much as digits as its factorization.

2623563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97178 (or 97172 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 2623563 is about 1619.7416460658. The cubic root of 2623563 is about 137.9210323257.

The spelling of 2623563 in words is "two million, six hundred twenty-three thousand, five hundred sixty-three".