7081563 has 4 divisors (see below), whose sum is σ = 9442088. Its totient is φ = 4721040.

The previous prime is 7081553. The next prime is 7081573. The reversal of 7081563 is 3651807.

7081563 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3651807 = 3 ⋅1217269.

It is an interprime number because it is at equal distance from previous prime (7081553) and next prime (7081573).

It is not a de Polignac number, because 7081563 - 2⁶ = 7081499 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 7081563.

It is not an unprimeable number, because it can be changed into a prime (7081553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180258 + ... + 1180263.

It is an arithmetic number, because the mean of its divisors is an integer number (2360522).

Almost surely, 2^7081563 is an apocalyptic number.

7081563 is a deficient number, since it is larger than the sum of its proper divisors (2360525).

7081563 is a wasteful number, since it uses less digits than its factorization.

7081563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360524.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7081563 is about 2661.1206286074. The cubic root of 7081563 is about 192.0332245021.

The spelling of 7081563 in words is "seven million, eighty-one thousand, five hundred sixty-three".