2345563 has 16 divisors (see below), whose sum is σ = 2727936. Its totient is φ = 1995840.

The previous prime is 2345543. The next prime is 2345573. The reversal of 2345563 is 3655432.

It is not a de Polignac number, because 2345563 - 2¹⁷ = 2214491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18406 + ... + 18532.

It is an arithmetic number, because the mean of its divisors is an integer number (170496).

2^2345563 is an apocalyptic number.

2345563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2345563 is a deficient number, since it is larger than the sum of its proper divisors (382373).

2345563 is a wasteful number, since it uses less digits than its factorization.

2345563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its digits is 10800, while the sum is 28.

The square root of 2345563 is about 1531.5230980955. The cubic root of 2345563 is about 132.8665629865.

The spelling of 2345563 in words is "two million, three hundred forty-five thousand, five hundred sixty-three".