36564323525 has 12 divisors (see below), whose sum is σ = 45484626372. Its totient is φ = 29157997440.

The previous prime is 36564323449. The next prime is 36564323527. The reversal of 36564323525 is 52532346563.

It is a Cunningham number, because it is equal to 191218²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 2866745764 + 33697577761 = 53542^2 + 183569^2 .

It is not a de Polignac number, because 36564323525 - 2²⁴ = 36547546309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36564323527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2328554 + ... + 2344203.

It is an arithmetic number, because the mean of its divisors is an integer number (3790385531).

Almost surely, 2^36564323525 is an apocalyptic number.

It is an amenable number.

36564323525 is a deficient number, since it is larger than the sum of its proper divisors (8920302847).

36564323525 is a wasteful number, since it uses less digits than its factorization.

36564323525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673080 (or 4673075 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 44.

The spelling of 36564323525 in words is "thirty-six billion, five hundred sixty-four million, three hundred twenty-three thousand, five hundred twenty-five".