4087563 has 4 divisors (see below), whose sum is σ = 5450088. Its totient is φ = 2725040.

The previous prime is 4087513. The next prime is 4087597. The reversal of 4087563 is 3657804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4087563 - 2¹⁶ = 4022027 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4087513) 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, 681258 + ... + 681263.

It is an arithmetic number, because the mean of its divisors is an integer number (1362522).

Almost surely, 2^4087563 is an apocalyptic number.

4087563 is a deficient number, since it is larger than the sum of its proper divisors (1362525).

4087563 is a wasteful number, since it uses less digits than its factorization.

4087563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362524.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4087563 is about 2021.7722423656. The cubic root of 4087563 is about 159.8900677145.

The spelling of 4087563 in words is "four million, eighty-seven thousand, five hundred sixty-three".