36521564 has 12 divisors (see below), whose sum is σ = 64296624. Its totient is φ = 18151104.

The previous prime is 36521557. The next prime is 36521581. The reversal of 36521564 is 46512563.

It is a self number, because there is not a number n which added to its sum of digits gives 36521564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26669 + ... + 28004.

It is an arithmetic number, because the mean of its divisors is an integer number (5358052).

Almost surely, 2^36521564 is an apocalyptic number.

It is an amenable number.

36521564 is a deficient number, since it is larger than the sum of its proper divisors (27775060).

36521564 is a wasteful number, since it uses less digits than its factorization.

36521564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54844 (or 54842 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 36521564 is about 6043.3073726230. The cubic root of 36521564 is about 331.7796839941.

Subtracting 36521564 from its reverse (46512563), we obtain a palindrome (9990999).

The spelling of 36521564 in words is "thirty-six million, five hundred twenty-one thousand, five hundred sixty-four".