36421563 has 4 divisors (see below), whose sum is σ = 48562088. Its totient is φ = 24281040.

The previous prime is 36421549. The next prime is 36421601. The reversal of 36421563 is 36512463.

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

It is not a de Polignac number, because 36421563 - 2⁹ = 36421051 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 36421563.

It is not an unprimeable number, because it can be changed into a prime (36421513) 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, 6070258 + ... + 6070263.

It is an arithmetic number, because the mean of its divisors is an integer number (12140522).

Almost surely, 2^36421563 is an apocalyptic number.

36421563 is a deficient number, since it is larger than the sum of its proper divisors (12140525).

36421563 is a wasteful number, since it uses less digits than its factorization.

36421563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12140524.

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

The square root of 36421563 is about 6035.0280032490. The cubic root of 36421563 is about 331.4765879150.

The spelling of 36421563 in words is "thirty-six million, four hundred twenty-one thousand, five hundred sixty-three".