36520563 has 4 divisors (see below), whose sum is σ = 48694088. Its totient is φ = 24347040.

The previous prime is 36520553. The next prime is 36520571. The reversal of 36520563 is 36502563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36502563 = 3 ⋅12167521.

It is not a de Polignac number, because 36520563 - 2⁵ = 36520531 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 36520563.

It is not an unprimeable number, because it can be changed into a prime (36520553) 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, 6086758 + ... + 6086763.

It is an arithmetic number, because the mean of its divisors is an integer number (12173522).

Almost surely, 2^36520563 is an apocalyptic number.

36520563 is a deficient number, since it is larger than the sum of its proper divisors (12173525).

36520563 is a wasteful number, since it uses less digits than its factorization.

36520563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173524.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 36520563 is about 6043.2245531670. The cubic root of 36520563 is about 331.7766527758.

The spelling of 36520563 in words is "thirty-six million, five hundred twenty thousand, five hundred sixty-three".